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Finding the Fourth Proportional to 83,649.12, 125,211.22 and 44,086.28

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Solution

The fourth proportional to 83,649.12, 125,211.22 and 44,086.28 is: 65,991.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,649.12 : 125,211.22 = 44,086.28 : x
  2. Step 2: Convert to fraction form
    83,649.12/125,211.22 = 44,086.28/x
  3. Step 3: Cross multiply
    83,649.12x = 125,211.22 × 44,086.28
  4. Step 4: Simplify right side
    83,649.12x = 5,520,096,904.06
  5. Step 5: Solve for x
    x = 5,520,096,904.06/83,649.12
  6. Step 6: Final answer
    x = 65,991.09

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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.