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Finding the Fourth Proportional to 193,896.52, 290,844.78 and 60,777.47

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Solution

The fourth proportional to 193,896.52, 290,844.78 and 60,777.47 is: 91,166.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,896.52 : 290,844.78 = 60,777.47 : x
  2. Step 2: Convert to fraction form
    193,896.52/290,844.78 = 60,777.47/x
  3. Step 3: Cross multiply
    193,896.52x = 290,844.78 × 60,777.47
  4. Step 4: Simplify right side
    193,896.52x = 17,676,810,390.30
  5. Step 5: Solve for x
    x = 17,676,810,390.30/193,896.52
  6. Step 6: Final answer
    x = 91,166.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.