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Finding the Fourth Proportional to 199,777.44, 299,565.84 and 66,610.56

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Solution

The fourth proportional to 199,777.44, 299,565.84 and 66,610.56 is: 99,882.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,777.44 : 299,565.84 = 66,610.56 : x
  2. Step 2: Convert to fraction form
    199,777.44/299,565.84 = 66,610.56/x
  3. Step 3: Cross multiply
    199,777.44x = 299,565.84 × 66,610.56
  4. Step 4: Simplify right side
    199,777.44x = 19,954,248,359.27
  5. Step 5: Solve for x
    x = 19,954,248,359.27/199,777.44
  6. Step 6: Final answer
    x = 99,882.39

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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.