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Finding the Fourth Proportional to 95,996.48, 143,978.31 and 25,859.39

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Solution

The fourth proportional to 95,996.48, 143,978.31 and 25,859.39 is: 38,784.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,996.48 : 143,978.31 = 25,859.39 : x
  2. Step 2: Convert to fraction form
    95,996.48/143,978.31 = 25,859.39/x
  3. Step 3: Cross multiply
    95,996.48x = 143,978.31 × 25,859.39
  4. Step 4: Simplify right side
    95,996.48x = 3,723,191,269.83
  5. Step 5: Solve for x
    x = 3,723,191,269.83/95,996.48
  6. Step 6: Final answer
    x = 38,784.66

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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.