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Finding the Fourth Proportional to 88,607.28, 132,946.32 and 36,020.88

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Solution

The fourth proportional to 88,607.28, 132,946.32 and 36,020.88 is: 54,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,607.28 : 132,946.32 = 36,020.88 : x
  2. Step 2: Convert to fraction form
    88,607.28/132,946.32 = 36,020.88/x
  3. Step 3: Cross multiply
    88,607.28x = 132,946.32 × 36,020.88
  4. Step 4: Simplify right side
    88,607.28x = 4,788,843,439.16
  5. Step 5: Solve for x
    x = 4,788,843,439.16/88,607.28
  6. Step 6: Final answer
    x = 54,045.71

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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.