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Finding the Fourth Proportional to 269,620.58, 372,211.23 and 167,678.88

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Solution

The fourth proportional to 269,620.58, 372,211.23 and 167,678.88 is: 231,480.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,620.58 : 372,211.23 = 167,678.88 : x
  2. Step 2: Convert to fraction form
    269,620.58/372,211.23 = 167,678.88/x
  3. Step 3: Cross multiply
    269,620.58x = 372,211.23 × 167,678.88
  4. Step 4: Simplify right side
    269,620.58x = 62,411,961,855.42
  5. Step 5: Solve for x
    x = 62,411,961,855.42/269,620.58
  6. Step 6: Final answer
    x = 231,480.71

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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.