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Finding the Fourth Proportional to 180,414.48, 248,972.46 and 99,847.56

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Solution

The fourth proportional to 180,414.48, 248,972.46 and 99,847.56 is: 137,789.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,414.48 : 248,972.46 = 99,847.56 : x
  2. Step 2: Convert to fraction form
    180,414.48/248,972.46 = 99,847.56/x
  3. Step 3: Cross multiply
    180,414.48x = 248,972.46 × 99,847.56
  4. Step 4: Simplify right side
    180,414.48x = 24,859,292,638.20
  5. Step 5: Solve for x
    x = 24,859,292,638.20/180,414.48
  6. Step 6: Final answer
    x = 137,789.90

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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.