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Finding the Fourth Proportional to 159,790.44, 220,506.66 and 88,167

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Solution

The fourth proportional to 159,790.44, 220,506.66 and 88,167 is: 121,668.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,790.44 : 220,506.66 = 88,167 : x
  2. Step 2: Convert to fraction form
    159,790.44/220,506.66 = 88,167/x
  3. Step 3: Cross multiply
    159,790.44x = 220,506.66 × 88,167
  4. Step 4: Simplify right side
    159,790.44x = 19,441,410,692.22
  5. Step 5: Solve for x
    x = 19,441,410,692.22/159,790.44
  6. Step 6: Final answer
    x = 121,668.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.