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Finding the Fourth Proportional to 113,502.62, 156,581.01 and 73,229.24

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Solution

The fourth proportional to 113,502.62, 156,581.01 and 73,229.24 is: 101,022.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,502.62 : 156,581.01 = 73,229.24 : x
  2. Step 2: Convert to fraction form
    113,502.62/156,581.01 = 73,229.24/x
  3. Step 3: Cross multiply
    113,502.62x = 156,581.01 × 73,229.24
  4. Step 4: Simplify right side
    113,502.62x = 11,466,307,577.83
  5. Step 5: Solve for x
    x = 11,466,307,577.83/113,502.62
  6. Step 6: Final answer
    x = 101,022.41

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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.