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Finding the Fourth Proportional to 363,243.89, 544,677.05 and 107,042.86

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Solution

The fourth proportional to 363,243.89, 544,677.05 and 107,042.86 is: 160,508.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,243.89 : 544,677.05 = 107,042.86 : x
  2. Step 2: Convert to fraction form
    363,243.89/544,677.05 = 107,042.86/x
  3. Step 3: Cross multiply
    363,243.89x = 544,677.05 × 107,042.86
  4. Step 4: Simplify right side
    363,243.89x = 58,303,787,311.46
  5. Step 5: Solve for x
    x = 58,303,787,311.46/363,243.89
  6. Step 6: Final answer
    x = 160,508.65

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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.