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Finding the Fourth Proportional to 141,251.69, 211,877.17 and 88,698.08

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Solution

The fourth proportional to 141,251.69, 211,877.17 and 88,698.08 is: 133,046.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,251.69 : 211,877.17 = 88,698.08 : x
  2. Step 2: Convert to fraction form
    141,251.69/211,877.17 = 88,698.08/x
  3. Step 3: Cross multiply
    141,251.69x = 211,877.17 × 88,698.08
  4. Step 4: Simplify right side
    141,251.69x = 18,793,098,174.83
  5. Step 5: Solve for x
    x = 18,793,098,174.83/141,251.69
  6. Step 6: Final answer
    x = 133,046.89

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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.