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Finding the Fourth Proportional to 167,389, 230,940.60 and 94,782

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Solution

The fourth proportional to 167,389, 230,940.60 and 94,782 is: 130,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,389 : 230,940.60 = 94,782 : x
  2. Step 2: Convert to fraction form
    167,389/230,940.60 = 94,782/x
  3. Step 3: Cross multiply
    167,389x = 230,940.60 × 94,782
  4. Step 4: Simplify right side
    167,389x = 21,889,011,949.20
  5. Step 5: Solve for x
    x = 21,889,011,949.20/167,389
  6. Step 6: Final answer
    x = 130,767.33

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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.