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Finding the Fourth Proportional to 83,294.28, 124,941.32 and 27,134.30

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Solution

The fourth proportional to 83,294.28, 124,941.32 and 27,134.30 is: 40,701.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,294.28 : 124,941.32 = 27,134.30 : x
  2. Step 2: Convert to fraction form
    83,294.28/124,941.32 = 27,134.30/x
  3. Step 3: Cross multiply
    83,294.28x = 124,941.32 × 27,134.30
  4. Step 4: Simplify right side
    83,294.28x = 3,390,194,498.90
  5. Step 5: Solve for x
    x = 3,390,194,498.90/83,294.28
  6. Step 6: Final answer
    x = 40,701.41

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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.