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Finding the Fourth Proportional to 372,549.54, 558,918.63 and 106,311

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Solution

The fourth proportional to 372,549.54, 558,918.63 and 106,311 is: 159,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,549.54 : 558,918.63 = 106,311 : x
  2. Step 2: Convert to fraction form
    372,549.54/558,918.63 = 106,311/x
  3. Step 3: Cross multiply
    372,549.54x = 558,918.63 × 106,311
  4. Step 4: Simplify right side
    372,549.54x = 59,419,198,473.93
  5. Step 5: Solve for x
    x = 59,419,198,473.93/372,549.54
  6. Step 6: Final answer
    x = 159,493.42

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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.