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Finding the Fourth Proportional to 248,118.72, 342,084.24 and 180,234.24

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Solution

The fourth proportional to 248,118.72, 342,084.24 and 180,234.24 is: 248,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,118.72 : 342,084.24 = 180,234.24 : x
  2. Step 2: Convert to fraction form
    248,118.72/342,084.24 = 180,234.24/x
  3. Step 3: Cross multiply
    248,118.72x = 342,084.24 × 180,234.24
  4. Step 4: Simplify right side
    248,118.72x = 61,655,293,012.38
  5. Step 5: Solve for x
    x = 61,655,293,012.38/248,118.72
  6. Step 6: Final answer
    x = 248,491.10

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Half scale
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Double scale
Find fourth proportional to 248,119.72, 342,085.62 and 180,235.24
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.