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Finding the Fourth Proportional to 80,217.58, 110,701.57 and 43,918.42

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Solution

The fourth proportional to 80,217.58, 110,701.57 and 43,918.42 is: 60,608.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,217.58 : 110,701.57 = 43,918.42 : x
  2. Step 2: Convert to fraction form
    80,217.58/110,701.57 = 43,918.42/x
  3. Step 3: Cross multiply
    80,217.58x = 110,701.57 × 43,918.42
  4. Step 4: Simplify right side
    80,217.58x = 4,861,838,045.92
  5. Step 5: Solve for x
    x = 4,861,838,045.92/80,217.58
  6. Step 6: Final answer
    x = 60,608.14

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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.