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Finding the Fourth Proportional to 322,381.17, 483,542.10 and 109,124.70

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Solution

The fourth proportional to 322,381.17, 483,542.10 and 109,124.70 is: 163,677.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,381.17 : 483,542.10 = 109,124.70 : x
  2. Step 2: Convert to fraction form
    322,381.17/483,542.10 = 109,124.70/x
  3. Step 3: Cross multiply
    322,381.17x = 483,542.10 × 109,124.70
  4. Step 4: Simplify right side
    322,381.17x = 52,766,388,413.15
  5. Step 5: Solve for x
    x = 52,766,388,413.15/322,381.17
  6. Step 6: Final answer
    x = 163,677.02

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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.