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Finding the Fourth Proportional to 225,114.84, 337,672.26 and 91,971.90

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Solution

The fourth proportional to 225,114.84, 337,672.26 and 91,971.90 is: 137,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,114.84 : 337,672.26 = 91,971.90 : x
  2. Step 2: Convert to fraction form
    225,114.84/337,672.26 = 91,971.90/x
  3. Step 3: Cross multiply
    225,114.84x = 337,672.26 × 91,971.90
  4. Step 4: Simplify right side
    225,114.84x = 31,056,359,329.49
  5. Step 5: Solve for x
    x = 31,056,359,329.49/225,114.84
  6. Step 6: Final answer
    x = 137,957.85

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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.