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Finding the Fourth Proportional to 155,169.62, 232,856.49 and 85,098.14

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Solution

The fourth proportional to 155,169.62, 232,856.49 and 85,098.14 is: 127,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,169.62 : 232,856.49 = 85,098.14 : x
  2. Step 2: Convert to fraction form
    155,169.62/232,856.49 = 85,098.14/x
  3. Step 3: Cross multiply
    155,169.62x = 232,856.49 × 85,098.14
  4. Step 4: Simplify right side
    155,169.62x = 19,815,654,185.93
  5. Step 5: Solve for x
    x = 19,815,654,185.93/155,169.62
  6. Step 6: Final answer
    x = 127,703.18

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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.