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Finding the Fourth Proportional to 133,375.20, 200,062.80 and 123,655.20

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Solution

The fourth proportional to 133,375.20, 200,062.80 and 123,655.20 is: 185,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,375.20 : 200,062.80 = 123,655.20 : x
  2. Step 2: Convert to fraction form
    133,375.20/200,062.80 = 123,655.20/x
  3. Step 3: Cross multiply
    133,375.20x = 200,062.80 × 123,655.20
  4. Step 4: Simplify right side
    133,375.20x = 24,738,805,546.56
  5. Step 5: Solve for x
    x = 24,738,805,546.56/133,375.20
  6. Step 6: Final answer
    x = 185,482.80

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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.