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Finding the Fourth Proportional to 159,149.20, 238,723.87 and 39,208.49

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Solution

The fourth proportional to 159,149.20, 238,723.87 and 39,208.49 is: 58,812.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,149.20 : 238,723.87 = 39,208.49 : x
  2. Step 2: Convert to fraction form
    159,149.20/238,723.87 = 39,208.49/x
  3. Step 3: Cross multiply
    159,149.20x = 238,723.87 × 39,208.49
  4. Step 4: Simplify right side
    159,149.20x = 9,360,001,276.04
  5. Step 5: Solve for x
    x = 9,360,001,276.04/159,149.20
  6. Step 6: Final answer
    x = 58,812.74

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