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Finding the Fourth Proportional to 227,187.92, 340,843.23 and 69,412.07

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Solution

The fourth proportional to 227,187.92, 340,843.23 and 69,412.07 is: 104,136.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,187.92 : 340,843.23 = 69,412.07 : x
  2. Step 2: Convert to fraction form
    227,187.92/340,843.23 = 69,412.07/x
  3. Step 3: Cross multiply
    227,187.92x = 340,843.23 × 69,412.07
  4. Step 4: Simplify right side
    227,187.92x = 23,658,632,435.57
  5. Step 5: Solve for x
    x = 23,658,632,435.57/227,187.92
  6. Step 6: Final answer
    x = 104,136.84

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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.