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Finding the Fourth Proportional to 95,100.63, 131,238.87 and 52,659.17

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Solution

The fourth proportional to 95,100.63, 131,238.87 and 52,659.17 is: 72,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,100.63 : 131,238.87 = 52,659.17 : x
  2. Step 2: Convert to fraction form
    95,100.63/131,238.87 = 52,659.17/x
  3. Step 3: Cross multiply
    95,100.63x = 131,238.87 × 52,659.17
  4. Step 4: Simplify right side
    95,100.63x = 6,910,929,309.74
  5. Step 5: Solve for x
    x = 6,910,929,309.74/95,100.63
  6. Step 6: Final answer
    x = 72,669.65

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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.