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Finding the Fourth Proportional to 83,200.60, 124,776.60 and 29,886.40

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Solution

The fourth proportional to 83,200.60, 124,776.60 and 29,886.40 is: 44,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,200.60 : 124,776.60 = 29,886.40 : x
  2. Step 2: Convert to fraction form
    83,200.60/124,776.60 = 29,886.40/x
  3. Step 3: Cross multiply
    83,200.60x = 124,776.60 × 29,886.40
  4. Step 4: Simplify right side
    83,200.60x = 3,729,123,378.24
  5. Step 5: Solve for x
    x = 3,729,123,378.24/83,200.60
  6. Step 6: Final answer
    x = 44,820.87

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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.