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Finding the Fourth Proportional to 89,793.95, 134,679.92 and 23,228.55

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Solution

The fourth proportional to 89,793.95, 134,679.92 and 23,228.55 is: 34,839.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,793.95 : 134,679.92 = 23,228.55 : x
  2. Step 2: Convert to fraction form
    89,793.95/134,679.92 = 23,228.55/x
  3. Step 3: Cross multiply
    89,793.95x = 134,679.92 × 23,228.55
  4. Step 4: Simplify right side
    89,793.95x = 3,128,419,139.57
  5. Step 5: Solve for x
    x = 3,128,419,139.57/89,793.95
  6. Step 6: Final answer
    x = 34,839.98

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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.