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Finding the Fourth Proportional to 88,874.70, 133,096.05 and 47,229.90

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Solution

The fourth proportional to 88,874.70, 133,096.05 and 47,229.90 is: 70,730.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,874.70 : 133,096.05 = 47,229.90 : x
  2. Step 2: Convert to fraction form
    88,874.70/133,096.05 = 47,229.90/x
  3. Step 3: Cross multiply
    88,874.70x = 133,096.05 × 47,229.90
  4. Step 4: Simplify right side
    88,874.70x = 6,286,113,131.90
  5. Step 5: Solve for x
    x = 6,286,113,131.90/88,874.70
  6. Step 6: Final answer
    x = 70,730.06

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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.