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Finding the Fourth Proportional to 225,351.20, 310,986.96 and 124,747.04

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Solution

The fourth proportional to 225,351.20, 310,986.96 and 124,747.04 is: 172,152.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,351.20 : 310,986.96 = 124,747.04 : x
  2. Step 2: Convert to fraction form
    225,351.20/310,986.96 = 124,747.04/x
  3. Step 3: Cross multiply
    225,351.20x = 310,986.96 × 124,747.04
  4. Step 4: Simplify right side
    225,351.20x = 38,794,702,738.60
  5. Step 5: Solve for x
    x = 38,794,702,738.60/225,351.20
  6. Step 6: Final answer
    x = 172,152.19

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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.