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Finding the Fourth Proportional to 165,900.70, 248,851.05 and 41,241.70

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Solution

The fourth proportional to 165,900.70, 248,851.05 and 41,241.70 is: 61,862.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,900.70 : 248,851.05 = 41,241.70 : x
  2. Step 2: Convert to fraction form
    165,900.70/248,851.05 = 41,241.70/x
  3. Step 3: Cross multiply
    165,900.70x = 248,851.05 × 41,241.70
  4. Step 4: Simplify right side
    165,900.70x = 10,263,040,348.79
  5. Step 5: Solve for x
    x = 10,263,040,348.79/165,900.70
  6. Step 6: Final answer
    x = 61,862.55

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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.