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Finding the Fourth Proportional to 207,079.71, 285,701.29 and 168,773.43

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Solution

The fourth proportional to 207,079.71, 285,701.29 and 168,773.43 is: 232,851.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,079.71 : 285,701.29 = 168,773.43 : x
  2. Step 2: Convert to fraction form
    207,079.71/285,701.29 = 168,773.43/x
  3. Step 3: Cross multiply
    207,079.71x = 285,701.29 × 168,773.43
  4. Step 4: Simplify right side
    207,079.71x = 48,218,786,668.72
  5. Step 5: Solve for x
    x = 48,218,786,668.72/207,079.71
  6. Step 6: Final answer
    x = 232,851.33

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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.