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Finding the Fourth Proportional to 106,691.88, 160,127.62 and 53,367.86

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Solution

The fourth proportional to 106,691.88, 160,127.62 and 53,367.86 is: 80,096.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,691.88 : 160,127.62 = 53,367.86 : x
  2. Step 2: Convert to fraction form
    106,691.88/160,127.62 = 53,367.86/x
  3. Step 3: Cross multiply
    106,691.88x = 160,127.62 × 53,367.86
  4. Step 4: Simplify right side
    106,691.88x = 8,545,668,673.19
  5. Step 5: Solve for x
    x = 8,545,668,673.19/106,691.88
  6. Step 6: Final answer
    x = 80,096.71

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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.