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Finding the Fourth Proportional to 270,353.55, 373,082.43 and 149,499.93

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Solution

The fourth proportional to 270,353.55, 373,082.43 and 149,499.93 is: 206,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,353.55 : 373,082.43 = 149,499.93 : x
  2. Step 2: Convert to fraction form
    270,353.55/373,082.43 = 149,499.93/x
  3. Step 3: Cross multiply
    270,353.55x = 373,082.43 × 149,499.93
  4. Step 4: Simplify right side
    270,353.55x = 55,775,797,169.23
  5. Step 5: Solve for x
    x = 55,775,797,169.23/270,353.55
  6. Step 6: Final answer
    x = 206,306.88

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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.