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Finding the Fourth Proportional to 159,855.82, 220,601.06 and 88,235.86

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Solution

The fourth proportional to 159,855.82, 220,601.06 and 88,235.86 is: 121,765.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,855.82 : 220,601.06 = 88,235.86 : x
  2. Step 2: Convert to fraction form
    159,855.82/220,601.06 = 88,235.86/x
  3. Step 3: Cross multiply
    159,855.82x = 220,601.06 × 88,235.86
  4. Step 4: Simplify right side
    159,855.82x = 19,464,924,246.01
  5. Step 5: Solve for x
    x = 19,464,924,246.01/159,855.82
  6. Step 6: Final answer
    x = 121,765.50

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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.