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Finding the Fourth Proportional to 168,543.75, 232,588.80 and 92,062.82

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Solution

The fourth proportional to 168,543.75, 232,588.80 and 92,062.82 is: 127,045.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,543.75 : 232,588.80 = 92,062.82 : x
  2. Step 2: Convert to fraction form
    168,543.75/232,588.80 = 92,062.82/x
  3. Step 3: Cross multiply
    168,543.75x = 232,588.80 × 92,062.82
  4. Step 4: Simplify right side
    168,543.75x = 21,412,780,828.42
  5. Step 5: Solve for x
    x = 21,412,780,828.42/168,543.75
  6. Step 6: Final answer
    x = 127,045.83

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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.