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Finding the Fourth Proportional to 182,486.49, 251,828.87 and 101,915.43

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Solution

The fourth proportional to 182,486.49, 251,828.87 and 101,915.43 is: 140,641.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,486.49 : 251,828.87 = 101,915.43 : x
  2. Step 2: Convert to fraction form
    182,486.49/251,828.87 = 101,915.43/x
  3. Step 3: Cross multiply
    182,486.49x = 251,828.87 × 101,915.43
  4. Step 4: Simplify right side
    182,486.49x = 25,665,247,062.89
  5. Step 5: Solve for x
    x = 25,665,247,062.89/182,486.49
  6. Step 6: Final answer
    x = 140,641.90

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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.