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Finding the Fourth Proportional to 95,107.70, 131,243.39 and 52,663.50

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Solution

The fourth proportional to 95,107.70, 131,243.39 and 52,663.50 is: 72,672.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,107.70 : 131,243.39 = 52,663.50 : x
  2. Step 2: Convert to fraction form
    95,107.70/131,243.39 = 52,663.50/x
  3. Step 3: Cross multiply
    95,107.70x = 131,243.39 × 52,663.50
  4. Step 4: Simplify right side
    95,107.70x = 6,911,736,203.44
  5. Step 5: Solve for x
    x = 6,911,736,203.44/95,107.70
  6. Step 6: Final answer
    x = 72,672.73

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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.