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Finding the Fourth Proportional to 240,565.32, 331,978.08 and 133,132.62

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Solution

The fourth proportional to 240,565.32, 331,978.08 and 133,132.62 is: 183,721.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,565.32 : 331,978.08 = 133,132.62 : x
  2. Step 2: Convert to fraction form
    240,565.32/331,978.08 = 133,132.62/x
  3. Step 3: Cross multiply
    240,565.32x = 331,978.08 × 133,132.62
  4. Step 4: Simplify right side
    240,565.32x = 44,197,111,572.97
  5. Step 5: Solve for x
    x = 44,197,111,572.97/240,565.32
  6. Step 6: Final answer
    x = 183,721.87

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Why These Related Problems?

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