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Finding the Fourth Proportional to 193,466.97, 266,908.13 and 111,741.21

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Solution

The fourth proportional to 193,466.97, 266,908.13 and 111,741.21 is: 154,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,466.97 : 266,908.13 = 111,741.21 : x
  2. Step 2: Convert to fraction form
    193,466.97/266,908.13 = 111,741.21/x
  3. Step 3: Cross multiply
    193,466.97x = 266,908.13 × 111,741.21
  4. Step 4: Simplify right side
    193,466.97x = 29,824,636,846.33
  5. Step 5: Solve for x
    x = 29,824,636,846.33/193,466.97
  6. Step 6: Final answer
    x = 154,158.80

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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.