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Finding the Fourth Proportional to 83,196.60, 124,770.60 and 29,882.40

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Solution

The fourth proportional to 83,196.60, 124,770.60 and 29,882.40 is: 44,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,196.60 : 124,770.60 = 29,882.40 : x
  2. Step 2: Convert to fraction form
    83,196.60/124,770.60 = 29,882.40/x
  3. Step 3: Cross multiply
    83,196.60x = 124,770.60 × 29,882.40
  4. Step 4: Simplify right side
    83,196.60x = 3,728,444,977.44
  5. Step 5: Solve for x
    x = 3,728,444,977.44/83,196.60
  6. Step 6: Final answer
    x = 44,814.87

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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.