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Finding the Fourth Proportional to 77,967.97, 116,961.10 and 27,351.52

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Solution

The fourth proportional to 77,967.97, 116,961.10 and 27,351.52 is: 41,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,967.97 : 116,961.10 = 27,351.52 : x
  2. Step 2: Convert to fraction form
    77,967.97/116,961.10 = 27,351.52/x
  3. Step 3: Cross multiply
    77,967.97x = 116,961.10 × 27,351.52
  4. Step 4: Simplify right side
    77,967.97x = 3,199,063,505.09
  5. Step 5: Solve for x
    x = 3,199,063,505.09/77,967.97
  6. Step 6: Final answer
    x = 41,030.48

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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.