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Finding the Fourth Proportional to 373,709.86, 560,231.47 and 136,997.29

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Solution

The fourth proportional to 373,709.86, 560,231.47 and 136,997.29 is: 205,373.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,709.86 : 560,231.47 = 136,997.29 : x
  2. Step 2: Convert to fraction form
    373,709.86/560,231.47 = 136,997.29/x
  3. Step 3: Cross multiply
    373,709.86x = 560,231.47 × 136,997.29
  4. Step 4: Simplify right side
    373,709.86x = 76,750,193,162.72
  5. Step 5: Solve for x
    x = 76,750,193,162.72/373,709.86
  6. Step 6: Final answer
    x = 205,373.74

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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.