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Finding the Fourth Proportional to 323,018.52, 484,572.11 and 109,729.17

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Solution

The fourth proportional to 323,018.52, 484,572.11 and 109,729.17 is: 164,608.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,018.52 : 484,572.11 = 109,729.17 : x
  2. Step 2: Convert to fraction form
    323,018.52/484,572.11 = 109,729.17/x
  3. Step 3: Cross multiply
    323,018.52x = 484,572.11 × 109,729.17
  4. Step 4: Simplify right side
    323,018.52x = 53,171,694,886.80
  5. Step 5: Solve for x
    x = 53,171,694,886.80/323,018.52
  6. Step 6: Final answer
    x = 164,608.81

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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.