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Finding the Fourth Proportional to 101,979.86, 152,797.19 and 62,454.42

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Solution

The fourth proportional to 101,979.86, 152,797.19 and 62,454.42 is: 93,575.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,979.86 : 152,797.19 = 62,454.42 : x
  2. Step 2: Convert to fraction form
    101,979.86/152,797.19 = 62,454.42/x
  3. Step 3: Cross multiply
    101,979.86x = 152,797.19 × 62,454.42
  4. Step 4: Simplify right side
    101,979.86x = 9,542,859,566.81
  5. Step 5: Solve for x
    x = 9,542,859,566.81/101,979.86
  6. Step 6: Final answer
    x = 93,575.93

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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.