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Finding the Fourth Proportional to 88,620.84, 132,951.04 and 32,459.76

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Solution

The fourth proportional to 88,620.84, 132,951.04 and 32,459.76 is: 48,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,620.84 : 132,951.04 = 32,459.76 : x
  2. Step 2: Convert to fraction form
    88,620.84/132,951.04 = 32,459.76/x
  3. Step 3: Cross multiply
    88,620.84x = 132,951.04 × 32,459.76
  4. Step 4: Simplify right side
    88,620.84x = 4,315,558,769.00
  5. Step 5: Solve for x
    x = 4,315,558,769.00/88,620.84
  6. Step 6: Final answer
    x = 48,696.88

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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.