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Finding the Fourth Proportional to 88,816.80, 133,176.60 and 36,166.80

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Solution

The fourth proportional to 88,816.80, 133,176.60 and 36,166.80 is: 54,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,816.80 : 133,176.60 = 36,166.80 : x
  2. Step 2: Convert to fraction form
    88,816.80/133,176.60 = 36,166.80/x
  3. Step 3: Cross multiply
    88,816.80x = 133,176.60 × 36,166.80
  4. Step 4: Simplify right side
    88,816.80x = 4,816,571,456.88
  5. Step 5: Solve for x
    x = 4,816,571,456.88/88,816.80
  6. Step 6: Final answer
    x = 54,230.41

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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.