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Finding the Fourth Proportional to 104,736.88, 157,195.86 and 54,851.88

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Solution

The fourth proportional to 104,736.88, 157,195.86 and 54,851.88 is: 82,325.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,736.88 : 157,195.86 = 54,851.88 : x
  2. Step 2: Convert to fraction form
    104,736.88/157,195.86 = 54,851.88/x
  3. Step 3: Cross multiply
    104,736.88x = 157,195.86 × 54,851.88
  4. Step 4: Simplify right side
    104,736.88x = 8,622,488,449.22
  5. Step 5: Solve for x
    x = 8,622,488,449.22/104,736.88
  6. Step 6: Final answer
    x = 82,325.24

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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.