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Finding the Fourth Proportional to 110,468.60, 165,532.80 and 82,256.30

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Solution

The fourth proportional to 110,468.60, 165,532.80 and 82,256.30 is: 123,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,468.60 : 165,532.80 = 82,256.30 : x
  2. Step 2: Convert to fraction form
    110,468.60/165,532.80 = 82,256.30/x
  3. Step 3: Cross multiply
    110,468.60x = 165,532.80 × 82,256.30
  4. Step 4: Simplify right side
    110,468.60x = 13,616,115,656.64
  5. Step 5: Solve for x
    x = 13,616,115,656.64/110,468.60
  6. Step 6: Final answer
    x = 123,257.79

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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.