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Finding the Fourth Proportional to 124,231.70, 171,446.61 and 73,274.31

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Solution

The fourth proportional to 124,231.70, 171,446.61 and 73,274.31 is: 101,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,231.70 : 171,446.61 = 73,274.31 : x
  2. Step 2: Convert to fraction form
    124,231.70/171,446.61 = 73,274.31/x
  3. Step 3: Cross multiply
    124,231.70x = 171,446.61 × 73,274.31
  4. Step 4: Simplify right side
    124,231.70x = 12,562,632,049.59
  5. Step 5: Solve for x
    x = 12,562,632,049.59/124,231.70
  6. Step 6: Final answer
    x = 101,122.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.