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Finding the Fourth Proportional to 168,422.55, 232,392.03 and 95,821.20

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Solution

The fourth proportional to 168,422.55, 232,392.03 and 95,821.20 is: 132,215.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,422.55 : 232,392.03 = 95,821.20 : x
  2. Step 2: Convert to fraction form
    168,422.55/232,392.03 = 95,821.20/x
  3. Step 3: Cross multiply
    168,422.55x = 232,392.03 × 95,821.20
  4. Step 4: Simplify right side
    168,422.55x = 22,268,083,185.04
  5. Step 5: Solve for x
    x = 22,268,083,185.04/168,422.55
  6. Step 6: Final answer
    x = 132,215.57

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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.