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Finding the Fourth Proportional to 165,909.38, 248,865.03 and 41,250.38

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Solution

The fourth proportional to 165,909.38, 248,865.03 and 41,250.38 is: 61,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,909.38 : 248,865.03 = 41,250.38 : x
  2. Step 2: Convert to fraction form
    165,909.38/248,865.03 = 41,250.38/x
  3. Step 3: Cross multiply
    165,909.38x = 248,865.03 × 41,250.38
  4. Step 4: Simplify right side
    165,909.38x = 10,265,775,811.89
  5. Step 5: Solve for x
    x = 10,265,775,811.89/165,909.38
  6. Step 6: Final answer
    x = 61,875.80

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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.