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Finding the Fourth Proportional to 85,951.50, 118,613.88 and 48,226.56

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Solution

The fourth proportional to 85,951.50, 118,613.88 and 48,226.56 is: 66,553.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,951.50 : 118,613.88 = 48,226.56 : x
  2. Step 2: Convert to fraction form
    85,951.50/118,613.88 = 48,226.56/x
  3. Step 3: Cross multiply
    85,951.50x = 118,613.88 × 48,226.56
  4. Step 4: Simplify right side
    85,951.50x = 5,720,339,400.65
  5. Step 5: Solve for x
    x = 5,720,339,400.65/85,951.50
  6. Step 6: Final answer
    x = 66,553.11

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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.