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Finding the Fourth Proportional to 83,364.65, 125,057.25 and 27,189.74

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Solution

The fourth proportional to 83,364.65, 125,057.25 and 27,189.74 is: 40,787.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,364.65 : 125,057.25 = 27,189.74 : x
  2. Step 2: Convert to fraction form
    83,364.65/125,057.25 = 27,189.74/x
  3. Step 3: Cross multiply
    83,364.65x = 125,057.25 × 27,189.74
  4. Step 4: Simplify right side
    83,364.65x = 3,400,273,487.33
  5. Step 5: Solve for x
    x = 3,400,273,487.33/83,364.65
  6. Step 6: Final answer
    x = 40,787.96

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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.