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Finding the Fourth Proportional to 270,573.27, 373,391.55 and 149,719.65

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Solution

The fourth proportional to 270,573.27, 373,391.55 and 149,719.65 is: 206,613.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,573.27 : 373,391.55 = 149,719.65 : x
  2. Step 2: Convert to fraction form
    270,573.27/373,391.55 = 149,719.65/x
  3. Step 3: Cross multiply
    270,573.27x = 373,391.55 × 149,719.65
  4. Step 4: Simplify right side
    270,573.27x = 55,904,052,178.96
  5. Step 5: Solve for x
    x = 55,904,052,178.96/270,573.27
  6. Step 6: Final answer
    x = 206,613.36

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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.