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Finding the Fourth Proportional to 104,572.92, 156,859.08 and 29,693.16

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Solution

The fourth proportional to 104,572.92, 156,859.08 and 29,693.16 is: 44,539.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,572.92 : 156,859.08 = 29,693.16 : x
  2. Step 2: Convert to fraction form
    104,572.92/156,859.08 = 29,693.16/x
  3. Step 3: Cross multiply
    104,572.92x = 156,859.08 × 29,693.16
  4. Step 4: Simplify right side
    104,572.92x = 4,657,641,759.89
  5. Step 5: Solve for x
    x = 4,657,641,759.89/104,572.92
  6. Step 6: Final answer
    x = 44,539.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.