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Finding the Fourth Proportional to 192,806.34, 266,020.44 and 117,301.38

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Solution

The fourth proportional to 192,806.34, 266,020.44 and 117,301.38 is: 161,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,806.34 : 266,020.44 = 117,301.38 : x
  2. Step 2: Convert to fraction form
    192,806.34/266,020.44 = 117,301.38/x
  3. Step 3: Cross multiply
    192,806.34x = 266,020.44 × 117,301.38
  4. Step 4: Simplify right side
    192,806.34x = 31,204,564,720.21
  5. Step 5: Solve for x
    x = 31,204,564,720.21/192,806.34
  6. Step 6: Final answer
    x = 161,844.08

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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.