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Finding the Fourth Proportional to 248,006.56, 342,234.52 and 134,828.32

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Solution

The fourth proportional to 248,006.56, 342,234.52 and 134,828.32 is: 186,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,006.56 : 342,234.52 = 134,828.32 : x
  2. Step 2: Convert to fraction form
    248,006.56/342,234.52 = 134,828.32/x
  3. Step 3: Cross multiply
    248,006.56x = 342,234.52 × 134,828.32
  4. Step 4: Simplify right side
    248,006.56x = 46,142,905,377.61
  5. Step 5: Solve for x
    x = 46,142,905,377.61/248,006.56
  6. Step 6: Final answer
    x = 186,055.18

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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.