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Finding the Fourth Proportional to 88,029.56, 132,057.42 and 31,873.88

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Solution

The fourth proportional to 88,029.56, 132,057.42 and 31,873.88 is: 47,815.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,029.56 : 132,057.42 = 31,873.88 : x
  2. Step 2: Convert to fraction form
    88,029.56/132,057.42 = 31,873.88/x
  3. Step 3: Cross multiply
    88,029.56x = 132,057.42 × 31,873.88
  4. Step 4: Simplify right side
    88,029.56x = 4,209,182,358.19
  5. Step 5: Solve for x
    x = 4,209,182,358.19/88,029.56
  6. Step 6: Final answer
    x = 47,815.56

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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.