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Finding the Fourth Proportional to 111,304.28, 166,964.15 and 44,744.45

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Solution

The fourth proportional to 111,304.28, 166,964.15 and 44,744.45 is: 67,119.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,304.28 : 166,964.15 = 44,744.45 : x
  2. Step 2: Convert to fraction form
    111,304.28/166,964.15 = 44,744.45/x
  3. Step 3: Cross multiply
    111,304.28x = 166,964.15 × 44,744.45
  4. Step 4: Simplify right side
    111,304.28x = 7,470,718,338.51
  5. Step 5: Solve for x
    x = 7,470,718,338.51/111,304.28
  6. Step 6: Final answer
    x = 67,119.77

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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.