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Finding the Fourth Proportional to 159,855.41, 220,600.49 and 88,235.45

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Solution

The fourth proportional to 159,855.41, 220,600.49 and 88,235.45 is: 121,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,855.41 : 220,600.49 = 88,235.45 : x
  2. Step 2: Convert to fraction form
    159,855.41/220,600.49 = 88,235.45/x
  3. Step 3: Cross multiply
    159,855.41x = 220,600.49 × 88,235.45
  4. Step 4: Simplify right side
    159,855.41x = 19,464,783,505.37
  5. Step 5: Solve for x
    x = 19,464,783,505.37/159,855.41
  6. Step 6: Final answer
    x = 121,764.93

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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.