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Finding the Fourth Proportional to 247,262.88, 370,963.44 and 81,167.52

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Solution

The fourth proportional to 247,262.88, 370,963.44 and 81,167.52 is: 121,773.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,262.88 : 370,963.44 = 81,167.52 : x
  2. Step 2: Convert to fraction form
    247,262.88/370,963.44 = 81,167.52/x
  3. Step 3: Cross multiply
    247,262.88x = 370,963.44 × 81,167.52
  4. Step 4: Simplify right side
    247,262.88x = 30,110,182,435.47
  5. Step 5: Solve for x
    x = 30,110,182,435.47/247,262.88
  6. Step 6: Final answer
    x = 121,773.97

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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.