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Finding the Fourth Proportional to 89,245.80, 133,682.13 and 53,593.92

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Solution

The fourth proportional to 89,245.80, 133,682.13 and 53,593.92 is: 80,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,245.80 : 133,682.13 = 53,593.92 : x
  2. Step 2: Convert to fraction form
    89,245.80/133,682.13 = 53,593.92/x
  3. Step 3: Cross multiply
    89,245.80x = 133,682.13 × 53,593.92
  4. Step 4: Simplify right side
    89,245.80x = 7,164,549,380.65
  5. Step 5: Solve for x
    x = 7,164,549,380.65/89,245.80
  6. Step 6: Final answer
    x = 80,278.84

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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.