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Finding the Fourth Proportional to 115,648.40, 173,472.60 and 36,770.60

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Solution

The fourth proportional to 115,648.40, 173,472.60 and 36,770.60 is: 55,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,648.40 : 173,472.60 = 36,770.60 : x
  2. Step 2: Convert to fraction form
    115,648.40/173,472.60 = 36,770.60/x
  3. Step 3: Cross multiply
    115,648.40x = 173,472.60 × 36,770.60
  4. Step 4: Simplify right side
    115,648.40x = 6,378,691,585.56
  5. Step 5: Solve for x
    x = 6,378,691,585.56/115,648.40
  6. Step 6: Final answer
    x = 55,155.90

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1.5x scale

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.