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Finding the Fourth Proportional to 72,125.68, 108,165.43 and 24,083.97

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Solution

The fourth proportional to 72,125.68, 108,165.43 and 24,083.97 is: 36,118.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,125.68 : 108,165.43 = 24,083.97 : x
  2. Step 2: Convert to fraction form
    72,125.68/108,165.43 = 24,083.97/x
  3. Step 3: Cross multiply
    72,125.68x = 108,165.43 × 24,083.97
  4. Step 4: Simplify right side
    72,125.68x = 2,605,052,971.16
  5. Step 5: Solve for x
    x = 2,605,052,971.16/72,125.68
  6. Step 6: Final answer
    x = 36,118.24

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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.