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Finding the Fourth Proportional to 168,375.40, 252,854.70 and 163,126.60

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Solution

The fourth proportional to 168,375.40, 252,854.70 and 163,126.60 is: 244,972.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,375.40 : 252,854.70 = 163,126.60 : x
  2. Step 2: Convert to fraction form
    168,375.40/252,854.70 = 163,126.60/x
  3. Step 3: Cross multiply
    168,375.40x = 252,854.70 × 163,126.60
  4. Step 4: Simplify right side
    168,375.40x = 41,247,327,505.02
  5. Step 5: Solve for x
    x = 41,247,327,505.02/168,375.40
  6. Step 6: Final answer
    x = 244,972.41

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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.