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Finding the Fourth Proportional to 167,482.90, 231,123.78 and 92,029.78

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Solution

The fourth proportional to 167,482.90, 231,123.78 and 92,029.78 is: 126,999.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,482.90 : 231,123.78 = 92,029.78 : x
  2. Step 2: Convert to fraction form
    167,482.90/231,123.78 = 92,029.78/x
  3. Step 3: Cross multiply
    167,482.90x = 231,123.78 × 92,029.78
  4. Step 4: Simplify right side
    167,482.90x = 21,270,270,626.17
  5. Step 5: Solve for x
    x = 21,270,270,626.17/167,482.90
  6. Step 6: Final answer
    x = 126,999.66

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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.