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Finding the Fourth Proportional to 165,909.88, 248,865.76 and 41,250.88

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Solution

The fourth proportional to 165,909.88, 248,865.76 and 41,250.88 is: 61,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,909.88 : 248,865.76 = 41,250.88 : x
  2. Step 2: Convert to fraction form
    165,909.88/248,865.76 = 41,250.88/x
  3. Step 3: Cross multiply
    165,909.88x = 248,865.76 × 41,250.88
  4. Step 4: Simplify right side
    165,909.88x = 10,265,931,601.87
  5. Step 5: Solve for x
    x = 10,265,931,601.87/165,909.88
  6. Step 6: Final answer
    x = 61,876.55

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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.