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Finding the Fourth Proportional to 83,089.80, 124,608.56 and 26,916.88

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Solution

The fourth proportional to 83,089.80, 124,608.56 and 26,916.88 is: 40,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,089.80 : 124,608.56 = 26,916.88 : x
  2. Step 2: Convert to fraction form
    83,089.80/124,608.56 = 26,916.88/x
  3. Step 3: Cross multiply
    83,089.80x = 124,608.56 × 26,916.88
  4. Step 4: Simplify right side
    83,089.80x = 3,354,073,656.49
  5. Step 5: Solve for x
    x = 3,354,073,656.49/83,089.80
  6. Step 6: Final answer
    x = 40,366.85

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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.