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Finding the Fourth Proportional to 251,342.53, 377,073.92 and 73,845.61

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Solution

The fourth proportional to 251,342.53, 377,073.92 and 73,845.61 is: 110,786.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,342.53 : 377,073.92 = 73,845.61 : x
  2. Step 2: Convert to fraction form
    251,342.53/377,073.92 = 73,845.61/x
  3. Step 3: Cross multiply
    251,342.53x = 377,073.92 × 73,845.61
  4. Step 4: Simplify right side
    251,342.53x = 27,845,253,637.49
  5. Step 5: Solve for x
    x = 27,845,253,637.49/251,342.53
  6. Step 6: Final answer
    x = 110,786.08

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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.