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Finding the Fourth Proportional to 88,671.80, 133,023.90 and 36,086.60

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Solution

The fourth proportional to 88,671.80, 133,023.90 and 36,086.60 is: 54,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,671.80 : 133,023.90 = 36,086.60 : x
  2. Step 2: Convert to fraction form
    88,671.80/133,023.90 = 36,086.60/x
  3. Step 3: Cross multiply
    88,671.80x = 133,023.90 × 36,086.60
  4. Step 4: Simplify right side
    88,671.80x = 4,800,380,269.74
  5. Step 5: Solve for x
    x = 4,800,380,269.74/88,671.80
  6. Step 6: Final answer
    x = 54,136.49

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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.