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Finding the Fourth Proportional to 110,498.60, 165,747.90 and 40,368.80

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Solution

The fourth proportional to 110,498.60, 165,747.90 and 40,368.80 is: 60,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,498.60 : 165,747.90 = 40,368.80 : x
  2. Step 2: Convert to fraction form
    110,498.60/165,747.90 = 40,368.80/x
  3. Step 3: Cross multiply
    110,498.60x = 165,747.90 × 40,368.80
  4. Step 4: Simplify right side
    110,498.60x = 6,691,043,825.52
  5. Step 5: Solve for x
    x = 6,691,043,825.52/110,498.60
  6. Step 6: Final answer
    x = 60,553.20

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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.