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Finding the Fourth Proportional to 95,634.36, 131,978.61 and 52,615.62

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Solution

The fourth proportional to 95,634.36, 131,978.61 and 52,615.62 is: 72,611.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,634.36 : 131,978.61 = 52,615.62 : x
  2. Step 2: Convert to fraction form
    95,634.36/131,978.61 = 52,615.62/x
  3. Step 3: Cross multiply
    95,634.36x = 131,978.61 × 52,615.62
  4. Step 4: Simplify right side
    95,634.36x = 6,944,136,391.89
  5. Step 5: Solve for x
    x = 6,944,136,391.89/95,634.36
  6. Step 6: Final answer
    x = 72,611.31

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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.