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Finding the Fourth Proportional to 110,394.90, 165,493.94 and 91,827.27

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Solution

The fourth proportional to 110,394.90, 165,493.94 and 91,827.27 is: 137,659.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,394.90 : 165,493.94 = 91,827.27 : x
  2. Step 2: Convert to fraction form
    110,394.90/165,493.94 = 91,827.27/x
  3. Step 3: Cross multiply
    110,394.90x = 165,493.94 × 91,827.27
  4. Step 4: Simplify right side
    110,394.90x = 15,196,856,252.61
  5. Step 5: Solve for x
    x = 15,196,856,252.61/110,394.90
  6. Step 6: Final answer
    x = 137,659.04

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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.