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Finding the Fourth Proportional to 224,754.90, 337,131.13 and 91,634.64

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Solution

The fourth proportional to 224,754.90, 337,131.13 and 91,634.64 is: 137,451.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,754.90 : 337,131.13 = 91,634.64 : x
  2. Step 2: Convert to fraction form
    224,754.90/337,131.13 = 91,634.64/x
  3. Step 3: Cross multiply
    224,754.90x = 337,131.13 × 91,634.64
  4. Step 4: Simplify right side
    224,754.90x = 30,892,889,730.34
  5. Step 5: Solve for x
    x = 30,892,889,730.34/224,754.90
  6. Step 6: Final answer
    x = 137,451.46

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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.