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Finding the Fourth Proportional to 114,691.88, 158,287.20 and 69,394.83

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Solution

The fourth proportional to 114,691.88, 158,287.20 and 69,394.83 is: 95,772.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,691.88 : 158,287.20 = 69,394.83 : x
  2. Step 2: Convert to fraction form
    114,691.88/158,287.20 = 69,394.83/x
  3. Step 3: Cross multiply
    114,691.88x = 158,287.20 × 69,394.83
  4. Step 4: Simplify right side
    114,691.88x = 10,984,313,335.18
  5. Step 5: Solve for x
    x = 10,984,313,335.18/114,691.88
  6. Step 6: Final answer
    x = 95,772.37

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1.5x scale

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.