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Finding the Fourth Proportional to 84,301.44, 126,471.87 and 44,849.58

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Solution

The fourth proportional to 84,301.44, 126,471.87 and 44,849.58 is: 67,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,301.44 : 126,471.87 = 44,849.58 : x
  2. Step 2: Convert to fraction form
    84,301.44/126,471.87 = 44,849.58/x
  3. Step 3: Cross multiply
    84,301.44x = 126,471.87 × 44,849.58
  4. Step 4: Simplify right side
    84,301.44x = 5,672,210,251.31
  5. Step 5: Solve for x
    x = 5,672,210,251.31/84,301.44
  6. Step 6: Final answer
    x = 67,284.86

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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.