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Finding the Fourth Proportional to 62,871.92, 94,249.29 and 43,159.76

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Solution

The fourth proportional to 62,871.92, 94,249.29 and 43,159.76 is: 64,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,871.92 : 94,249.29 = 43,159.76 : x
  2. Step 2: Convert to fraction form
    62,871.92/94,249.29 = 43,159.76/x
  3. Step 3: Cross multiply
    62,871.92x = 94,249.29 × 43,159.76
  4. Step 4: Simplify right side
    62,871.92x = 4,067,776,736.57
  5. Step 5: Solve for x
    x = 4,067,776,736.57/62,871.92
  6. Step 6: Final answer
    x = 64,699.42

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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.