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Finding the Fourth Proportional to 107,191.57, 160,788.71 and 40,613.82

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Solution

The fourth proportional to 107,191.57, 160,788.71 and 40,613.82 is: 60,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,191.57 : 160,788.71 = 40,613.82 : x
  2. Step 2: Convert to fraction form
    107,191.57/160,788.71 = 40,613.82/x
  3. Step 3: Cross multiply
    107,191.57x = 160,788.71 × 40,613.82
  4. Step 4: Simplify right side
    107,191.57x = 6,530,243,725.97
  5. Step 5: Solve for x
    x = 6,530,243,725.97/107,191.57
  6. Step 6: Final answer
    x = 60,921.24

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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.