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Finding the Fourth Proportional to 182,915.20, 274,243.20 and 83,123.20

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Solution

The fourth proportional to 182,915.20, 274,243.20 and 83,123.20 is: 124,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,915.20 : 274,243.20 = 83,123.20 : x
  2. Step 2: Convert to fraction form
    182,915.20/274,243.20 = 83,123.20/x
  3. Step 3: Cross multiply
    182,915.20x = 274,243.20 × 83,123.20
  4. Step 4: Simplify right side
    182,915.20x = 22,795,972,362.24
  5. Step 5: Solve for x
    x = 22,795,972,362.24/182,915.20
  6. Step 6: Final answer
    x = 124,625.91

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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.