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Finding the Fourth Proportional to 323,876.76, 485,877.41 and 124,181.57

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Solution

The fourth proportional to 323,876.76, 485,877.41 and 124,181.57 is: 186,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,876.76 : 485,877.41 = 124,181.57 : x
  2. Step 2: Convert to fraction form
    323,876.76/485,877.41 = 124,181.57/x
  3. Step 3: Cross multiply
    323,876.76x = 485,877.41 × 124,181.57
  4. Step 4: Simplify right side
    323,876.76x = 60,337,016,551.04
  5. Step 5: Solve for x
    x = 60,337,016,551.04/323,876.76
  6. Step 6: Final answer
    x = 186,296.22

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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.