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Finding the Fourth Proportional to 75,006.96, 103,531.92 and 43,198.20

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Solution

The fourth proportional to 75,006.96, 103,531.92 and 43,198.20 is: 59,626.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,006.96 : 103,531.92 = 43,198.20 : x
  2. Step 2: Convert to fraction form
    75,006.96/103,531.92 = 43,198.20/x
  3. Step 3: Cross multiply
    75,006.96x = 103,531.92 × 43,198.20
  4. Step 4: Simplify right side
    75,006.96x = 4,472,392,586.54
  5. Step 5: Solve for x
    x = 4,472,392,586.54/75,006.96
  6. Step 6: Final answer
    x = 59,626.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.