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Finding the Fourth Proportional to 133,957.85, 200,863.78 and 40,451.45

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Solution

The fourth proportional to 133,957.85, 200,863.78 and 40,451.45 is: 60,655.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,957.85 : 200,863.78 = 40,451.45 : x
  2. Step 2: Convert to fraction form
    133,957.85/200,863.78 = 40,451.45/x
  3. Step 3: Cross multiply
    133,957.85x = 200,863.78 × 40,451.45
  4. Step 4: Simplify right side
    133,957.85x = 8,125,230,951.22
  5. Step 5: Solve for x
    x = 8,125,230,951.22/133,957.85
  6. Step 6: Final answer
    x = 60,655.13

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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.