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Finding the Fourth Proportional to 250,168.50, 345,286.13 and 159,503.58

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Solution

The fourth proportional to 250,168.50, 345,286.13 and 159,503.58 is: 220,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,168.50 : 345,286.13 = 159,503.58 : x
  2. Step 2: Convert to fraction form
    250,168.50/345,286.13 = 159,503.58/x
  3. Step 3: Cross multiply
    250,168.50x = 345,286.13 × 159,503.58
  4. Step 4: Simplify right side
    250,168.50x = 55,074,373,061.83
  5. Step 5: Solve for x
    x = 55,074,373,061.83/250,168.50
  6. Step 6: Final answer
    x = 220,149.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.