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Finding the Fourth Proportional to 89,161.60, 133,794.24 and 36,608.80

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Solution

The fourth proportional to 89,161.60, 133,794.24 and 36,608.80 is: 54,934.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,161.60 : 133,794.24 = 36,608.80 : x
  2. Step 2: Convert to fraction form
    89,161.60/133,794.24 = 36,608.80/x
  3. Step 3: Cross multiply
    89,161.60x = 133,794.24 × 36,608.80
  4. Step 4: Simplify right side
    89,161.60x = 4,898,046,573.31
  5. Step 5: Solve for x
    x = 4,898,046,573.31/89,161.60
  6. Step 6: Final answer
    x = 54,934.48

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1.5x scale

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.