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Finding the Fourth Proportional to 82,960.55, 114,486.23 and 45,234.80

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Solution

The fourth proportional to 82,960.55, 114,486.23 and 45,234.80 is: 62,424.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,960.55 : 114,486.23 = 45,234.80 : x
  2. Step 2: Convert to fraction form
    82,960.55/114,486.23 = 45,234.80/x
  3. Step 3: Cross multiply
    82,960.55x = 114,486.23 × 45,234.80
  4. Step 4: Simplify right side
    82,960.55x = 5,178,761,257.46
  5. Step 5: Solve for x
    x = 5,178,761,257.46/82,960.55
  6. Step 6: Final answer
    x = 62,424.39

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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.