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Finding the Fourth Proportional to 239,773.48, 359,660.10 and 71,293.06

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Solution

The fourth proportional to 239,773.48, 359,660.10 and 71,293.06 is: 106,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,773.48 : 359,660.10 = 71,293.06 : x
  2. Step 2: Convert to fraction form
    239,773.48/359,660.10 = 71,293.06/x
  3. Step 3: Cross multiply
    239,773.48x = 359,660.10 × 71,293.06
  4. Step 4: Simplify right side
    239,773.48x = 25,641,269,088.91
  5. Step 5: Solve for x
    x = 25,641,269,088.91/239,773.48
  6. Step 6: Final answer
    x = 106,939.55

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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.