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Finding the Fourth Proportional to 253,760.80, 349,626 and 167,566.72

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Solution

The fourth proportional to 253,760.80, 349,626 and 167,566.72 is: 230,869.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,760.80 : 349,626 = 167,566.72 : x
  2. Step 2: Convert to fraction form
    253,760.80/349,626 = 167,566.72/x
  3. Step 3: Cross multiply
    253,760.80x = 349,626 × 167,566.72
  4. Step 4: Simplify right side
    253,760.80x = 58,585,682,046.72
  5. Step 5: Solve for x
    x = 58,585,682,046.72/253,760.80
  6. Step 6: Final answer
    x = 230,869.71

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1.5x scale

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.