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Finding the Fourth Proportional to 225,077.21, 337,616.15 and 91,957.59

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Solution

The fourth proportional to 225,077.21, 337,616.15 and 91,957.59 is: 137,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,077.21 : 337,616.15 = 91,957.59 : x
  2. Step 2: Convert to fraction form
    225,077.21/337,616.15 = 91,957.59/x
  3. Step 3: Cross multiply
    225,077.21x = 337,616.15 × 91,957.59
  4. Step 4: Simplify right side
    225,077.21x = 31,046,367,499.08
  5. Step 5: Solve for x
    x = 31,046,367,499.08/225,077.21
  6. Step 6: Final answer
    x = 137,936.52

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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.