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Finding the Fourth Proportional to 251,344.89, 376,871.54 and 101,462.49

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Solution

The fourth proportional to 251,344.89, 376,871.54 and 101,462.49 is: 152,134.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,344.89 : 376,871.54 = 101,462.49 : x
  2. Step 2: Convert to fraction form
    251,344.89/376,871.54 = 101,462.49/x
  3. Step 3: Cross multiply
    251,344.89x = 376,871.54 × 101,462.49
  4. Step 4: Simplify right side
    251,344.89x = 38,238,324,351.22
  5. Step 5: Solve for x
    x = 38,238,324,351.22/251,344.89
  6. Step 6: Final answer
    x = 152,134.88

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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.