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Finding the Fourth Proportional to 157,591.08, 218,395.72 and 154,600.56

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Solution

The fourth proportional to 157,591.08, 218,395.72 and 154,600.56 is: 214,251.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,591.08 : 218,395.72 = 154,600.56 : x
  2. Step 2: Convert to fraction form
    157,591.08/218,395.72 = 154,600.56/x
  3. Step 3: Cross multiply
    157,591.08x = 218,395.72 × 154,600.56
  4. Step 4: Simplify right side
    157,591.08x = 33,764,100,613.60
  5. Step 5: Solve for x
    x = 33,764,100,613.60/157,591.08
  6. Step 6: Final answer
    x = 214,251.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.