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Finding the Fourth Proportional to 119,997.28, 179,605.28 and 88,394.88

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Solution

The fourth proportional to 119,997.28, 179,605.28 and 88,394.88 is: 132,304.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,997.28 : 179,605.28 = 88,394.88 : x
  2. Step 2: Convert to fraction form
    119,997.28/179,605.28 = 88,394.88/x
  3. Step 3: Cross multiply
    119,997.28x = 179,605.28 × 88,394.88
  4. Step 4: Simplify right side
    119,997.28x = 15,876,187,172.97
  5. Step 5: Solve for x
    x = 15,876,187,172.97/119,997.28
  6. Step 6: Final answer
    x = 132,304.56

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1.5x scale

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.