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Finding the Fourth Proportional to 168,441.70, 252,079.35 and 154,444.90

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Solution

The fourth proportional to 168,441.70, 252,079.35 and 154,444.90 is: 231,132.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,441.70 : 252,079.35 = 154,444.90 : x
  2. Step 2: Convert to fraction form
    168,441.70/252,079.35 = 154,444.90/x
  3. Step 3: Cross multiply
    168,441.70x = 252,079.35 × 154,444.90
  4. Step 4: Simplify right side
    168,441.70x = 38,932,370,002.82
  5. Step 5: Solve for x
    x = 38,932,370,002.82/168,441.70
  6. Step 6: Final answer
    x = 231,132.61

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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.