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Finding the Fourth Proportional to 110,908.40, 166,362.60 and 44,315.60

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Solution

The fourth proportional to 110,908.40, 166,362.60 and 44,315.60 is: 66,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,908.40 : 166,362.60 = 44,315.60 : x
  2. Step 2: Convert to fraction form
    110,908.40/166,362.60 = 44,315.60/x
  3. Step 3: Cross multiply
    110,908.40x = 166,362.60 × 44,315.60
  4. Step 4: Simplify right side
    110,908.40x = 7,372,458,436.56
  5. Step 5: Solve for x
    x = 7,372,458,436.56/110,908.40
  6. Step 6: Final answer
    x = 66,473.40

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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.