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Finding the Fourth Proportional to 88,643.52, 132,964.92 and 36,052.56

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Solution

The fourth proportional to 88,643.52, 132,964.92 and 36,052.56 is: 54,078.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,643.52 : 132,964.92 = 36,052.56 : x
  2. Step 2: Convert to fraction form
    88,643.52/132,964.92 = 36,052.56/x
  3. Step 3: Cross multiply
    88,643.52x = 132,964.92 × 36,052.56
  4. Step 4: Simplify right side
    88,643.52x = 4,793,725,756.20
  5. Step 5: Solve for x
    x = 4,793,725,756.20/88,643.52
  6. Step 6: Final answer
    x = 54,078.69

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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.