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Finding the Fourth Proportional to 88,855.39, 133,306.42 and 31,935.04

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Solution

The fourth proportional to 88,855.39, 133,306.42 and 31,935.04 is: 47,910.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,855.39 : 133,306.42 = 31,935.04 : x
  2. Step 2: Convert to fraction form
    88,855.39/133,306.42 = 31,935.04/x
  3. Step 3: Cross multiply
    88,855.39x = 133,306.42 × 31,935.04
  4. Step 4: Simplify right side
    88,855.39x = 4,257,145,441.85
  5. Step 5: Solve for x
    x = 4,257,145,441.85/88,855.39
  6. Step 6: Final answer
    x = 47,910.94

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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.