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Finding the Fourth Proportional to 115,294.44, 159,179.04 and 88,387.08

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Solution

The fourth proportional to 115,294.44, 159,179.04 and 88,387.08 is: 122,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,294.44 : 159,179.04 = 88,387.08 : x
  2. Step 2: Convert to fraction form
    115,294.44/159,179.04 = 88,387.08/x
  3. Step 3: Cross multiply
    115,294.44x = 159,179.04 × 88,387.08
  4. Step 4: Simplify right side
    115,294.44x = 14,069,370,542.80
  5. Step 5: Solve for x
    x = 14,069,370,542.80/115,294.44
  6. Step 6: Final answer
    x = 122,029.91

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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.