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Finding the Fourth Proportional to 270,597.12, 373,424.64 and 149,747.20

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Solution

The fourth proportional to 270,597.12, 373,424.64 and 149,747.20 is: 206,651.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,597.12 : 373,424.64 = 149,747.20 : x
  2. Step 2: Convert to fraction form
    270,597.12/373,424.64 = 149,747.20/x
  3. Step 3: Cross multiply
    270,597.12x = 373,424.64 × 149,747.20
  4. Step 4: Simplify right side
    270,597.12x = 55,919,294,251.01
  5. Step 5: Solve for x
    x = 55,919,294,251.01/270,597.12
  6. Step 6: Final answer
    x = 206,651.48

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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.