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Finding the Fourth Proportional to 227,530.80, 341,296.20 and 79,786.80

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Solution

The fourth proportional to 227,530.80, 341,296.20 and 79,786.80 is: 119,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,530.80 : 341,296.20 = 79,786.80 : x
  2. Step 2: Convert to fraction form
    227,530.80/341,296.20 = 79,786.80/x
  3. Step 3: Cross multiply
    227,530.80x = 341,296.20 × 79,786.80
  4. Step 4: Simplify right side
    227,530.80x = 27,230,931,650.16
  5. Step 5: Solve for x
    x = 27,230,931,650.16/227,530.80
  6. Step 6: Final answer
    x = 119,680.20

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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.