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Finding the Fourth Proportional to 214,516.22, 321,674.22 and 79,574.85

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Solution

The fourth proportional to 214,516.22, 321,674.22 and 79,574.85 is: 119,325.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,516.22 : 321,674.22 = 79,574.85 : x
  2. Step 2: Convert to fraction form
    214,516.22/321,674.22 = 79,574.85/x
  3. Step 3: Cross multiply
    214,516.22x = 321,674.22 × 79,574.85
  4. Step 4: Simplify right side
    214,516.22x = 25,597,177,805.37
  5. Step 5: Solve for x
    x = 25,597,177,805.37/214,516.22
  6. Step 6: Final answer
    x = 119,325.14

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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.