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Finding the Fourth Proportional to 89,183.80, 133,775.70 and 36,566.20

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Solution

The fourth proportional to 89,183.80, 133,775.70 and 36,566.20 is: 54,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,183.80 : 133,775.70 = 36,566.20 : x
  2. Step 2: Convert to fraction form
    89,183.80/133,775.70 = 36,566.20/x
  3. Step 3: Cross multiply
    89,183.80x = 133,775.70 × 36,566.20
  4. Step 4: Simplify right side
    89,183.80x = 4,891,669,001.34
  5. Step 5: Solve for x
    x = 4,891,669,001.34/89,183.80
  6. Step 6: Final answer
    x = 54,849.30

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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.