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Finding the Fourth Proportional to 248,424.28, 372,169.86 and 192,748.12

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Solution

The fourth proportional to 248,424.28, 372,169.86 and 192,748.12 is: 288,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,424.28 : 372,169.86 = 192,748.12 : x
  2. Step 2: Convert to fraction form
    248,424.28/372,169.86 = 192,748.12/x
  3. Step 3: Cross multiply
    248,424.28x = 372,169.86 × 192,748.12
  4. Step 4: Simplify right side
    248,424.28x = 71,735,040,835.66
  5. Step 5: Solve for x
    x = 71,735,040,835.66/248,424.28
  6. Step 6: Final answer
    x = 288,760.18

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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.