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Finding the Fourth Proportional to 72,204.29, 108,266.42 and 29,539.68

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Solution

The fourth proportional to 72,204.29, 108,266.42 and 29,539.68 is: 44,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,204.29 : 108,266.42 = 29,539.68 : x
  2. Step 2: Convert to fraction form
    72,204.29/108,266.42 = 29,539.68/x
  3. Step 3: Cross multiply
    72,204.29x = 108,266.42 × 29,539.68
  4. Step 4: Simplify right side
    72,204.29x = 3,198,155,401.55
  5. Step 5: Solve for x
    x = 3,198,155,401.55/72,204.29
  6. Step 6: Final answer
    x = 44,293.15

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1.5x scale

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.