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Finding the Fourth Proportional to 247,764.30, 341,901.99 and 134,586.78

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Solution

The fourth proportional to 247,764.30, 341,901.99 and 134,586.78 is: 185,722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,764.30 : 341,901.99 = 134,586.78 : x
  2. Step 2: Convert to fraction form
    247,764.30/341,901.99 = 134,586.78/x
  3. Step 3: Cross multiply
    247,764.30x = 341,901.99 × 134,586.78
  4. Step 4: Simplify right side
    247,764.30x = 46,015,487,909.69
  5. Step 5: Solve for x
    x = 46,015,487,909.69/247,764.30
  6. Step 6: Final answer
    x = 185,722.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.