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Finding the Fourth Proportional to 168,318.20, 252,671.70 and 101,833.40

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Solution

The fourth proportional to 168,318.20, 252,671.70 and 101,833.40 is: 152,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,318.20 : 252,671.70 = 101,833.40 : x
  2. Step 2: Convert to fraction form
    168,318.20/252,671.70 = 101,833.40/x
  3. Step 3: Cross multiply
    168,318.20x = 252,671.70 × 101,833.40
  4. Step 4: Simplify right side
    168,318.20x = 25,730,418,294.78
  5. Step 5: Solve for x
    x = 25,730,418,294.78/168,318.20
  6. Step 6: Final answer
    x = 152,867.71

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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.