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Finding the Fourth Proportional to 133,351.08, 200,070.42 and 54,531.60

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Solution

The fourth proportional to 133,351.08, 200,070.42 and 54,531.60 is: 81,815.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,351.08 : 200,070.42 = 54,531.60 : x
  2. Step 2: Convert to fraction form
    133,351.08/200,070.42 = 54,531.60/x
  3. Step 3: Cross multiply
    133,351.08x = 200,070.42 × 54,531.60
  4. Step 4: Simplify right side
    133,351.08x = 10,910,160,115.27
  5. Step 5: Solve for x
    x = 10,910,160,115.27/133,351.08
  6. Step 6: Final answer
    x = 81,815.31

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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.