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Finding the Fourth Proportional to 83,080.84, 124,614.24 and 26,919.76

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Solution

The fourth proportional to 83,080.84, 124,614.24 and 26,919.76 is: 40,377.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,080.84 : 124,614.24 = 26,919.76 : x
  2. Step 2: Convert to fraction form
    83,080.84/124,614.24 = 26,919.76/x
  3. Step 3: Cross multiply
    83,080.84x = 124,614.24 × 26,919.76
  4. Step 4: Simplify right side
    83,080.84x = 3,354,585,433.38
  5. Step 5: Solve for x
    x = 3,354,585,433.38/83,080.84
  6. Step 6: Final answer
    x = 40,377.37

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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.