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Finding the Fourth Proportional to 206,319.58, 284,771.67 and 125,791.51

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Solution

The fourth proportional to 206,319.58, 284,771.67 and 125,791.51 is: 173,623.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,319.58 : 284,771.67 = 125,791.51 : x
  2. Step 2: Convert to fraction form
    206,319.58/284,771.67 = 125,791.51/x
  3. Step 3: Cross multiply
    206,319.58x = 284,771.67 × 125,791.51
  4. Step 4: Simplify right side
    206,319.58x = 35,821,856,321.71
  5. Step 5: Solve for x
    x = 35,821,856,321.71/206,319.58
  6. Step 6: Final answer
    x = 173,623.16

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1.5x scale

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.