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Finding the Fourth Proportional to 109,375.44, 150,938.16 and 59,074.44

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Solution

The fourth proportional to 109,375.44, 150,938.16 and 59,074.44 is: 81,522.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,375.44 : 150,938.16 = 59,074.44 : x
  2. Step 2: Convert to fraction form
    109,375.44/150,938.16 = 59,074.44/x
  3. Step 3: Cross multiply
    109,375.44x = 150,938.16 × 59,074.44
  4. Step 4: Simplify right side
    109,375.44x = 8,916,587,276.63
  5. Step 5: Solve for x
    x = 8,916,587,276.63/109,375.44
  6. Step 6: Final answer
    x = 81,522.76

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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.