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Finding the Fourth Proportional to 88,854.89, 133,305.67 and 31,934.54

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Solution

The fourth proportional to 88,854.89, 133,305.67 and 31,934.54 is: 47,910.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,854.89 : 133,305.67 = 31,934.54 : x
  2. Step 2: Convert to fraction form
    88,854.89/133,305.67 = 31,934.54/x
  3. Step 3: Cross multiply
    88,854.89x = 133,305.67 × 31,934.54
  4. Step 4: Simplify right side
    88,854.89x = 4,257,054,424.64
  5. Step 5: Solve for x
    x = 4,257,054,424.64/88,854.89
  6. Step 6: Final answer
    x = 47,910.19

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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.