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Finding the Fourth Proportional to 231,167.68, 318,923.47 and 170,883.03

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Solution

The fourth proportional to 231,167.68, 318,923.47 and 170,883.03 is: 235,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,167.68 : 318,923.47 = 170,883.03 : x
  2. Step 2: Convert to fraction form
    231,167.68/318,923.47 = 170,883.03/x
  3. Step 3: Cross multiply
    231,167.68x = 318,923.47 × 170,883.03
  4. Step 4: Simplify right side
    231,167.68x = 54,498,608,891.71
  5. Step 5: Solve for x
    x = 54,498,608,891.71/231,167.68
  6. Step 6: Final answer
    x = 235,753.58

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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.