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Finding the Fourth Proportional to 266,797.08, 400,229.34 and 122,668.38

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Solution

The fourth proportional to 266,797.08, 400,229.34 and 122,668.38 is: 184,018.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,797.08 : 400,229.34 = 122,668.38 : x
  2. Step 2: Convert to fraction form
    266,797.08/400,229.34 = 122,668.38/x
  3. Step 3: Cross multiply
    266,797.08x = 400,229.34 × 122,668.38
  4. Step 4: Simplify right side
    266,797.08x = 49,095,484,766.27
  5. Step 5: Solve for x
    x = 49,095,484,766.27/266,797.08
  6. Step 6: Final answer
    x = 184,018.07

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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.