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Finding the Fourth Proportional to 227,357.66, 340,899.13 and 90,601.80

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Solution

The fourth proportional to 227,357.66, 340,899.13 and 90,601.80 is: 135,847.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,357.66 : 340,899.13 = 90,601.80 : x
  2. Step 2: Convert to fraction form
    227,357.66/340,899.13 = 90,601.80/x
  3. Step 3: Cross multiply
    227,357.66x = 340,899.13 × 90,601.80
  4. Step 4: Simplify right side
    227,357.66x = 30,886,074,591.70
  5. Step 5: Solve for x
    x = 30,886,074,591.70/227,357.66
  6. Step 6: Final answer
    x = 135,847.96

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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.