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Finding the Fourth Proportional to 119,960.88, 165,545.04 and 66,249.52

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Solution

The fourth proportional to 119,960.88, 165,545.04 and 66,249.52 is: 91,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,960.88 : 165,545.04 = 66,249.52 : x
  2. Step 2: Convert to fraction form
    119,960.88/165,545.04 = 66,249.52/x
  3. Step 3: Cross multiply
    119,960.88x = 165,545.04 × 66,249.52
  4. Step 4: Simplify right side
    119,960.88x = 10,967,279,438.38
  5. Step 5: Solve for x
    x = 10,967,279,438.38/119,960.88
  6. Step 6: Final answer
    x = 91,423.80

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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.