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Finding the Fourth Proportional to 232,685.92, 349,084.98 and 80,860.94

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Solution

The fourth proportional to 232,685.92, 349,084.98 and 80,860.94 is: 121,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,685.92 : 349,084.98 = 80,860.94 : x
  2. Step 2: Convert to fraction form
    232,685.92/349,084.98 = 80,860.94/x
  3. Step 3: Cross multiply
    232,685.92x = 349,084.98 × 80,860.94
  4. Step 4: Simplify right side
    232,685.92x = 28,227,339,218.38
  5. Step 5: Solve for x
    x = 28,227,339,218.38/232,685.92
  6. Step 6: Final answer
    x = 121,310.90

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1.5x scale

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.