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Finding the Fourth Proportional to 242,372.46, 363,724.77 and 84,600.90

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Solution

The fourth proportional to 242,372.46, 363,724.77 and 84,600.90 is: 126,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,372.46 : 363,724.77 = 84,600.90 : x
  2. Step 2: Convert to fraction form
    242,372.46/363,724.77 = 84,600.90/x
  3. Step 3: Cross multiply
    242,372.46x = 363,724.77 × 84,600.90
  4. Step 4: Simplify right side
    242,372.46x = 30,771,442,894.29
  5. Step 5: Solve for x
    x = 30,771,442,894.29/242,372.46
  6. Step 6: Final answer
    x = 126,959.32

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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.