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Finding the Fourth Proportional to 167,670.98, 251,531.49 and 55,363.07

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Solution

The fourth proportional to 167,670.98, 251,531.49 and 55,363.07 is: 83,052.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,670.98 : 251,531.49 = 55,363.07 : x
  2. Step 2: Convert to fraction form
    167,670.98/251,531.49 = 55,363.07/x
  3. Step 3: Cross multiply
    167,670.98x = 251,531.49 × 55,363.07
  4. Step 4: Simplify right side
    167,670.98x = 13,925,555,488.07
  5. Step 5: Solve for x
    x = 13,925,555,488.07/167,670.98
  6. Step 6: Final answer
    x = 83,052.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.