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Finding the Fourth Proportional to 151,952.76, 209,694.96 and 88,294.86

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Solution

The fourth proportional to 151,952.76, 209,694.96 and 88,294.86 is: 121,846.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,952.76 : 209,694.96 = 88,294.86 : x
  2. Step 2: Convert to fraction form
    151,952.76/209,694.96 = 88,294.86/x
  3. Step 3: Cross multiply
    151,952.76x = 209,694.96 × 88,294.86
  4. Step 4: Simplify right side
    151,952.76x = 18,514,987,135.91
  5. Step 5: Solve for x
    x = 18,514,987,135.91/151,952.76
  6. Step 6: Final answer
    x = 121,846.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.