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Finding the Fourth Proportional to 110,673.30, 165,909.15 and 40,535.70

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Solution

The fourth proportional to 110,673.30, 165,909.15 and 40,535.70 is: 60,766.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,673.30 : 165,909.15 = 40,535.70 : x
  2. Step 2: Convert to fraction form
    110,673.30/165,909.15 = 40,535.70/x
  3. Step 3: Cross multiply
    110,673.30x = 165,909.15 × 40,535.70
  4. Step 4: Simplify right side
    110,673.30x = 6,725,243,531.66
  5. Step 5: Solve for x
    x = 6,725,243,531.66/110,673.30
  6. Step 6: Final answer
    x = 60,766.63

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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.