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Finding the Fourth Proportional to 372,243.52, 558,139.77 and 167,040.53

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Solution

The fourth proportional to 372,243.52, 558,139.77 and 167,040.53 is: 250,459.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,243.52 : 558,139.77 = 167,040.53 : x
  2. Step 2: Convert to fraction form
    372,243.52/558,139.77 = 167,040.53/x
  3. Step 3: Cross multiply
    372,243.52x = 558,139.77 × 167,040.53
  4. Step 4: Simplify right side
    372,243.52x = 93,231,965,436.74
  5. Step 5: Solve for x
    x = 93,231,965,436.74/372,243.52
  6. Step 6: Final answer
    x = 250,459.61

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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.