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Finding the Fourth Proportional to 270,364.90, 373,105.98 and 149,514.32

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Solution

The fourth proportional to 270,364.90, 373,105.98 and 149,514.32 is: 206,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,364.90 : 373,105.98 = 149,514.32 : x
  2. Step 2: Convert to fraction form
    270,364.90/373,105.98 = 149,514.32/x
  3. Step 3: Cross multiply
    270,364.90x = 373,105.98 × 149,514.32
  4. Step 4: Simplify right side
    270,364.90x = 55,784,685,022.10
  5. Step 5: Solve for x
    x = 55,784,685,022.10/270,364.90
  6. Step 6: Final answer
    x = 206,331.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.