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Finding the Fourth Proportional to 167,190.36, 250,668.90 and 61,981.08

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Solution

The fourth proportional to 167,190.36, 250,668.90 and 61,981.08 is: 92,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,190.36 : 250,668.90 = 61,981.08 : x
  2. Step 2: Convert to fraction form
    167,190.36/250,668.90 = 61,981.08/x
  3. Step 3: Cross multiply
    167,190.36x = 250,668.90 × 61,981.08
  4. Step 4: Simplify right side
    167,190.36x = 15,536,728,285.31
  5. Step 5: Solve for x
    x = 15,536,728,285.31/167,190.36
  6. Step 6: Final answer
    x = 92,928.38

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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.