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Finding the Fourth Proportional to 272,334.66, 408,512.97 and 94,859.61

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Solution

The fourth proportional to 272,334.66, 408,512.97 and 94,859.61 is: 142,293.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,334.66 : 408,512.97 = 94,859.61 : x
  2. Step 2: Convert to fraction form
    272,334.66/408,512.97 = 94,859.61/x
  3. Step 3: Cross multiply
    272,334.66x = 408,512.97 × 94,859.61
  4. Step 4: Simplify right side
    272,334.66x = 38,751,381,014.14
  5. Step 5: Solve for x
    x = 38,751,381,014.14/272,334.66
  6. Step 6: Final answer
    x = 142,293.24

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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.