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Finding the Fourth Proportional to 341,789.74, 512,757.30 and 117,089.86

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Solution

The fourth proportional to 341,789.74, 512,757.30 and 117,089.86 is: 175,659.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,789.74 : 512,757.30 = 117,089.86 : x
  2. Step 2: Convert to fraction form
    341,789.74/512,757.30 = 117,089.86/x
  3. Step 3: Cross multiply
    341,789.74x = 512,757.30 × 117,089.86
  4. Step 4: Simplify right side
    341,789.74x = 60,038,680,470.98
  5. Step 5: Solve for x
    x = 60,038,680,470.98/341,789.74
  6. Step 6: Final answer
    x = 175,659.69

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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.