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Finding the Fourth Proportional to 55,450.70, 83,046.45 and 54,337.10

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Solution

The fourth proportional to 55,450.70, 83,046.45 and 54,337.10 is: 81,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,450.70 : 83,046.45 = 54,337.10 : x
  2. Step 2: Convert to fraction form
    55,450.70/83,046.45 = 54,337.10/x
  3. Step 3: Cross multiply
    55,450.70x = 83,046.45 × 54,337.10
  4. Step 4: Simplify right side
    55,450.70x = 4,512,503,258.30
  5. Step 5: Solve for x
    x = 4,512,503,258.30/55,450.70
  6. Step 6: Final answer
    x = 81,378.65

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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.