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Finding the Fourth Proportional to 168,658.72, 232,753.86 and 92,182.08

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Solution

The fourth proportional to 168,658.72, 232,753.86 and 92,182.08 is: 127,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,658.72 : 232,753.86 = 92,182.08 : x
  2. Step 2: Convert to fraction form
    168,658.72/232,753.86 = 92,182.08/x
  3. Step 3: Cross multiply
    168,658.72x = 232,753.86 × 92,182.08
  4. Step 4: Simplify right side
    168,658.72x = 21,455,734,942.83
  5. Step 5: Solve for x
    x = 21,455,734,942.83/168,658.72
  6. Step 6: Final answer
    x = 127,213.91

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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.