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Finding the Fourth Proportional to 77,924.52, 116,861.94 and 25,321.32

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Solution

The fourth proportional to 77,924.52, 116,861.94 and 25,321.32 is: 37,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,924.52 : 116,861.94 = 25,321.32 : x
  2. Step 2: Convert to fraction form
    77,924.52/116,861.94 = 25,321.32/x
  3. Step 3: Cross multiply
    77,924.52x = 116,861.94 × 25,321.32
  4. Step 4: Simplify right side
    77,924.52x = 2,959,098,578.56
  5. Step 5: Solve for x
    x = 2,959,098,578.56/77,924.52
  6. Step 6: Final answer
    x = 37,973.91

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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.