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Finding the Fourth Proportional to 80,167.40, 120,020.70 and 49,063.40

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Solution

The fourth proportional to 80,167.40, 120,020.70 and 49,063.40 is: 73,454.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,167.40 : 120,020.70 = 49,063.40 : x
  2. Step 2: Convert to fraction form
    80,167.40/120,020.70 = 49,063.40/x
  3. Step 3: Cross multiply
    80,167.40x = 120,020.70 × 49,063.40
  4. Step 4: Simplify right side
    80,167.40x = 5,888,623,612.38
  5. Step 5: Solve for x
    x = 5,888,623,612.38/80,167.40
  6. Step 6: Final answer
    x = 73,454.09

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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.