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Finding the Fourth Proportional to 242,437.32, 363,711.06 and 73,972.71

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Solution

The fourth proportional to 242,437.32, 363,711.06 and 73,972.71 is: 110,975.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,437.32 : 363,711.06 = 73,972.71 : x
  2. Step 2: Convert to fraction form
    242,437.32/363,711.06 = 73,972.71/x
  3. Step 3: Cross multiply
    242,437.32x = 363,711.06 × 73,972.71
  4. Step 4: Simplify right side
    242,437.32x = 26,904,692,765.17
  5. Step 5: Solve for x
    x = 26,904,692,765.17/242,437.32
  6. Step 6: Final answer
    x = 110,975.87

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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.