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Finding the Fourth Proportional to 88,481.40, 132,503.40 and 58,738.20

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Solution

The fourth proportional to 88,481.40, 132,503.40 and 58,738.20 is: 87,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,481.40 : 132,503.40 = 58,738.20 : x
  2. Step 2: Convert to fraction form
    88,481.40/132,503.40 = 58,738.20/x
  3. Step 3: Cross multiply
    88,481.40x = 132,503.40 × 58,738.20
  4. Step 4: Simplify right side
    88,481.40x = 7,783,011,209.88
  5. Step 5: Solve for x
    x = 7,783,011,209.88/88,481.40
  6. Step 6: Final answer
    x = 87,962.12

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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.