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Finding the Fourth Proportional to 242,178.03, 363,344.88 and 73,730.97

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Solution

The fourth proportional to 242,178.03, 363,344.88 and 73,730.97 is: 110,620.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,178.03 : 363,344.88 = 73,730.97 : x
  2. Step 2: Convert to fraction form
    242,178.03/363,344.88 = 73,730.97/x
  3. Step 3: Cross multiply
    242,178.03x = 363,344.88 × 73,730.97
  4. Step 4: Simplify right side
    242,178.03x = 26,789,770,446.93
  5. Step 5: Solve for x
    x = 26,789,770,446.93/242,178.03
  6. Step 6: Final answer
    x = 110,620.15

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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.