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Finding the Fourth Proportional to 247,963.36, 371,718.24 and 107,671.36

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Solution

The fourth proportional to 247,963.36, 371,718.24 and 107,671.36 is: 161,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,963.36 : 371,718.24 = 107,671.36 : x
  2. Step 2: Convert to fraction form
    247,963.36/371,718.24 = 107,671.36/x
  3. Step 3: Cross multiply
    247,963.36x = 371,718.24 × 107,671.36
  4. Step 4: Simplify right side
    247,963.36x = 40,023,408,437.61
  5. Step 5: Solve for x
    x = 40,023,408,437.61/247,963.36
  6. Step 6: Final answer
    x = 161,408.56

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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.