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Finding the Fourth Proportional to 167,356.22, 230,940.60 and 99,369.68

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Solution

The fourth proportional to 167,356.22, 230,940.60 and 99,369.68 is: 137,123.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,356.22 : 230,940.60 = 99,369.68 : x
  2. Step 2: Convert to fraction form
    167,356.22/230,940.60 = 99,369.68/x
  3. Step 3: Cross multiply
    167,356.22x = 230,940.60 × 99,369.68
  4. Step 4: Simplify right side
    167,356.22x = 22,948,493,521.01
  5. Step 5: Solve for x
    x = 22,948,493,521.01/167,356.22
  6. Step 6: Final answer
    x = 137,123.64

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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.