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Finding the Fourth Proportional to 73,744, 101,766.72 and 40,210.08

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Solution

The fourth proportional to 73,744, 101,766.72 and 40,210.08 is: 55,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,744 : 101,766.72 = 40,210.08 : x
  2. Step 2: Convert to fraction form
    73,744/101,766.72 = 40,210.08/x
  3. Step 3: Cross multiply
    73,744x = 101,766.72 × 40,210.08
  4. Step 4: Simplify right side
    73,744x = 4,092,047,952.54
  5. Step 5: Solve for x
    x = 4,092,047,952.54/73,744
  6. Step 6: Final answer
    x = 55,489.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.