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Finding the Fourth Proportional to 373,708.86, 560,229.97 and 136,996.29

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Solution

The fourth proportional to 373,708.86, 560,229.97 and 136,996.29 is: 205,372.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,708.86 : 560,229.97 = 136,996.29 : x
  2. Step 2: Convert to fraction form
    373,708.86/560,229.97 = 136,996.29/x
  3. Step 3: Cross multiply
    373,708.86x = 560,229.97 × 136,996.29
  4. Step 4: Simplify right side
    373,708.86x = 76,749,427,436.81
  5. Step 5: Solve for x
    x = 76,749,427,436.81/373,708.86
  6. Step 6: Final answer
    x = 205,372.24

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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.