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Finding the Fourth Proportional to 168,358.41, 232,339.51 and 91,882.43

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Solution

The fourth proportional to 168,358.41, 232,339.51 and 91,882.43 is: 126,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,358.41 : 232,339.51 = 91,882.43 : x
  2. Step 2: Convert to fraction form
    168,358.41/232,339.51 = 91,882.43/x
  3. Step 3: Cross multiply
    168,358.41x = 232,339.51 × 91,882.43
  4. Step 4: Simplify right side
    168,358.41x = 21,347,918,763.81
  5. Step 5: Solve for x
    x = 21,347,918,763.81/168,358.41
  6. Step 6: Final answer
    x = 126,800.43

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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.