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Finding the Fourth Proportional to 217,195.56, 325,713.42 and 75,004.65

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Solution

The fourth proportional to 217,195.56, 325,713.42 and 75,004.65 is: 112,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,195.56 : 325,713.42 = 75,004.65 : x
  2. Step 2: Convert to fraction form
    217,195.56/325,713.42 = 75,004.65/x
  3. Step 3: Cross multiply
    217,195.56x = 325,713.42 × 75,004.65
  4. Step 4: Simplify right side
    217,195.56x = 24,430,021,067.40
  5. Step 5: Solve for x
    x = 24,430,021,067.40/217,195.56
  6. Step 6: Final answer
    x = 112,479.38

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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.