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Finding the Fourth Proportional to 111,452.59, 167,190.57 and 48,279.12

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Solution

The fourth proportional to 111,452.59, 167,190.57 and 48,279.12 is: 72,423.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,452.59 : 167,190.57 = 48,279.12 : x
  2. Step 2: Convert to fraction form
    111,452.59/167,190.57 = 48,279.12/x
  3. Step 3: Cross multiply
    111,452.59x = 167,190.57 × 48,279.12
  4. Step 4: Simplify right side
    111,452.59x = 8,071,813,591.90
  5. Step 5: Solve for x
    x = 8,071,813,591.90/111,452.59
  6. Step 6: Final answer
    x = 72,423.74

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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.