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Finding the Fourth Proportional to 95,100.78, 131,239.02 and 52,662

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Solution

The fourth proportional to 95,100.78, 131,239.02 and 52,662 is: 72,673.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,100.78 : 131,239.02 = 52,662 : x
  2. Step 2: Convert to fraction form
    95,100.78/131,239.02 = 52,662/x
  3. Step 3: Cross multiply
    95,100.78x = 131,239.02 × 52,662
  4. Step 4: Simplify right side
    95,100.78x = 6,911,309,271.24
  5. Step 5: Solve for x
    x = 6,911,309,271.24/95,100.78
  6. Step 6: Final answer
    x = 72,673.53

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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.