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Finding the Fourth Proportional to 159,667.44, 220,338 and 88,054.08

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Solution

The fourth proportional to 159,667.44, 220,338 and 88,054.08 is: 121,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,667.44 : 220,338 = 88,054.08 : x
  2. Step 2: Convert to fraction form
    159,667.44/220,338 = 88,054.08/x
  3. Step 3: Cross multiply
    159,667.44x = 220,338 × 88,054.08
  4. Step 4: Simplify right side
    159,667.44x = 19,401,659,879.04
  5. Step 5: Solve for x
    x = 19,401,659,879.04/159,667.44
  6. Step 6: Final answer
    x = 121,512.94

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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.