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Finding the Fourth Proportional to 75,080.78, 103,614.63 and 41,546.78

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Solution

The fourth proportional to 75,080.78, 103,614.63 and 41,546.78 is: 57,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,080.78 : 103,614.63 = 41,546.78 : x
  2. Step 2: Convert to fraction form
    75,080.78/103,614.63 = 41,546.78/x
  3. Step 3: Cross multiply
    75,080.78x = 103,614.63 × 41,546.78
  4. Step 4: Simplify right side
    75,080.78x = 4,304,854,237.39
  5. Step 5: Solve for x
    x = 4,304,854,237.39/75,080.78
  6. Step 6: Final answer
    x = 57,336.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.