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Finding the Fourth Proportional to 222,786.76, 334,174.59 and 65,016.58

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Solution

The fourth proportional to 222,786.76, 334,174.59 and 65,016.58 is: 97,523.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,786.76 : 334,174.59 = 65,016.58 : x
  2. Step 2: Convert to fraction form
    222,786.76/334,174.59 = 65,016.58/x
  3. Step 3: Cross multiply
    222,786.76x = 334,174.59 × 65,016.58
  4. Step 4: Simplify right side
    222,786.76x = 21,726,888,964.70
  5. Step 5: Solve for x
    x = 21,726,888,964.70/222,786.76
  6. Step 6: Final answer
    x = 97,523.25

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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.