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Finding the Fourth Proportional to 110,940.52, 153,080.04 and 63,194.80

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Solution

The fourth proportional to 110,940.52, 153,080.04 and 63,194.80 is: 87,198.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,940.52 : 153,080.04 = 63,194.80 : x
  2. Step 2: Convert to fraction form
    110,940.52/153,080.04 = 63,194.80/x
  3. Step 3: Cross multiply
    110,940.52x = 153,080.04 × 63,194.80
  4. Step 4: Simplify right side
    110,940.52x = 9,673,862,511.79
  5. Step 5: Solve for x
    x = 9,673,862,511.79/110,940.52
  6. Step 6: Final answer
    x = 87,198.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.