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Finding the Fourth Proportional to 253,504.35, 380,255.49 and 63,965.16

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Solution

The fourth proportional to 253,504.35, 380,255.49 and 63,965.16 is: 95,947.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,504.35 : 380,255.49 = 63,965.16 : x
  2. Step 2: Convert to fraction form
    253,504.35/380,255.49 = 63,965.16/x
  3. Step 3: Cross multiply
    253,504.35x = 380,255.49 × 63,965.16
  4. Step 4: Simplify right side
    253,504.35x = 24,323,103,258.73
  5. Step 5: Solve for x
    x = 24,323,103,258.73/253,504.35
  6. Step 6: Final answer
    x = 95,947.48

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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.