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Finding the Fourth Proportional to 250,545.16, 375,879.12 and 82,074.52

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Solution

The fourth proportional to 250,545.16, 375,879.12 and 82,074.52 is: 123,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,545.16 : 375,879.12 = 82,074.52 : x
  2. Step 2: Convert to fraction form
    250,545.16/375,879.12 = 82,074.52/x
  3. Step 3: Cross multiply
    250,545.16x = 375,879.12 × 82,074.52
  4. Step 4: Simplify right side
    250,545.16x = 30,850,098,352.02
  5. Step 5: Solve for x
    x = 30,850,098,352.02/250,545.16
  6. Step 6: Final answer
    x = 123,131.89

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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.