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Finding the Fourth Proportional to 88,570.68, 132,856.56 and 32,387.64

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Solution

The fourth proportional to 88,570.68, 132,856.56 and 32,387.64 is: 48,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,570.68 : 132,856.56 = 32,387.64 : x
  2. Step 2: Convert to fraction form
    88,570.68/132,856.56 = 32,387.64/x
  3. Step 3: Cross multiply
    88,570.68x = 132,856.56 × 32,387.64
  4. Step 4: Simplify right side
    88,570.68x = 4,302,910,436.92
  5. Step 5: Solve for x
    x = 4,302,910,436.92/88,570.68
  6. Step 6: Final answer
    x = 48,581.66

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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.