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Finding the Fourth Proportional to 113,635.53, 156,818.16 and 62,650.31

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Solution

The fourth proportional to 113,635.53, 156,818.16 and 62,650.31 is: 86,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,635.53 : 156,818.16 = 62,650.31 : x
  2. Step 2: Convert to fraction form
    113,635.53/156,818.16 = 62,650.31/x
  3. Step 3: Cross multiply
    113,635.53x = 156,818.16 × 62,650.31
  4. Step 4: Simplify right side
    113,635.53x = 9,824,705,553.54
  5. Step 5: Solve for x
    x = 9,824,705,553.54/113,635.53
  6. Step 6: Final answer
    x = 86,458.04

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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.