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Finding the Fourth Proportional to 101,306.54, 151,912.10 and 59,198.79

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Solution

The fourth proportional to 101,306.54, 151,912.10 and 59,198.79 is: 88,770.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,306.54 : 151,912.10 = 59,198.79 : x
  2. Step 2: Convert to fraction form
    101,306.54/151,912.10 = 59,198.79/x
  3. Step 3: Cross multiply
    101,306.54x = 151,912.10 × 59,198.79
  4. Step 4: Simplify right side
    101,306.54x = 8,993,012,506.36
  5. Step 5: Solve for x
    x = 8,993,012,506.36/101,306.54
  6. Step 6: Final answer
    x = 88,770.31

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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.