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Finding the Fourth Proportional to 193,463.36, 266,982.40 and 116,971.52

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Solution

The fourth proportional to 193,463.36, 266,982.40 and 116,971.52 is: 161,422.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,463.36 : 266,982.40 = 116,971.52 : x
  2. Step 2: Convert to fraction form
    193,463.36/266,982.40 = 116,971.52/x
  3. Step 3: Cross multiply
    193,463.36x = 266,982.40 × 116,971.52
  4. Step 4: Simplify right side
    193,463.36x = 31,229,337,141.25
  5. Step 5: Solve for x
    x = 31,229,337,141.25/193,463.36
  6. Step 6: Final answer
    x = 161,422.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.