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Finding the Fourth Proportional to 94,998, 142,545.52 and 38,879.52

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Solution

The fourth proportional to 94,998, 142,545.52 and 38,879.52 is: 58,339.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,998 : 142,545.52 = 38,879.52 : x
  2. Step 2: Convert to fraction form
    94,998/142,545.52 = 38,879.52/x
  3. Step 3: Cross multiply
    94,998x = 142,545.52 × 38,879.52
  4. Step 4: Simplify right side
    94,998x = 5,542,101,395.75
  5. Step 5: Solve for x
    x = 5,542,101,395.75/94,998
  6. Step 6: Final answer
    x = 58,339.14

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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.