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Finding the Fourth Proportional to 75,169.89, 112,765.19 and 25,264.22

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Solution

The fourth proportional to 75,169.89, 112,765.19 and 25,264.22 is: 37,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,169.89 : 112,765.19 = 25,264.22 : x
  2. Step 2: Convert to fraction form
    75,169.89/112,765.19 = 25,264.22/x
  3. Step 3: Cross multiply
    75,169.89x = 112,765.19 × 25,264.22
  4. Step 4: Simplify right side
    75,169.89x = 2,848,923,878.35
  5. Step 5: Solve for x
    x = 2,848,923,878.35/75,169.89
  6. Step 6: Final answer
    x = 37,899.80

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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.