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Finding the Fourth Proportional to 77,276.43, 115,884.87 and 27,347.22

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Solution

The fourth proportional to 77,276.43, 115,884.87 and 27,347.22 is: 41,010.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,276.43 : 115,884.87 = 27,347.22 : x
  2. Step 2: Convert to fraction form
    77,276.43/115,884.87 = 27,347.22/x
  3. Step 3: Cross multiply
    77,276.43x = 115,884.87 × 27,347.22
  4. Step 4: Simplify right side
    77,276.43x = 3,169,129,034.56
  5. Step 5: Solve for x
    x = 3,169,129,034.56/77,276.43
  6. Step 6: Final answer
    x = 41,010.29

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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.