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Finding the Fourth Proportional to 193,057.01, 266,418.75 and 117,605.51

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Solution

The fourth proportional to 193,057.01, 266,418.75 and 117,605.51 is: 162,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,057.01 : 266,418.75 = 117,605.51 : x
  2. Step 2: Convert to fraction form
    193,057.01/266,418.75 = 117,605.51/x
  3. Step 3: Cross multiply
    193,057.01x = 266,418.75 × 117,605.51
  4. Step 4: Simplify right side
    193,057.01x = 31,332,311,635.22
  5. Step 5: Solve for x
    x = 31,332,311,635.22/193,057.01
  6. Step 6: Final answer
    x = 162,295.65

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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.