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Finding the Fourth Proportional to 78,613.52, 108,481.17 and 44,622.71

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Solution

The fourth proportional to 78,613.52, 108,481.17 and 44,622.71 is: 61,576.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,613.52 : 108,481.17 = 44,622.71 : x
  2. Step 2: Convert to fraction form
    78,613.52/108,481.17 = 44,622.71/x
  3. Step 3: Cross multiply
    78,613.52x = 108,481.17 × 44,622.71
  4. Step 4: Simplify right side
    78,613.52x = 4,840,723,516.00
  5. Step 5: Solve for x
    x = 4,840,723,516.00/78,613.52
  6. Step 6: Final answer
    x = 61,576.22

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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.