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Finding the Fourth Proportional to 199,135.44, 298,710.42 and 66,027.33

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Solution

The fourth proportional to 199,135.44, 298,710.42 and 66,027.33 is: 99,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,135.44 : 298,710.42 = 66,027.33 : x
  2. Step 2: Convert to fraction form
    199,135.44/298,710.42 = 66,027.33/x
  3. Step 3: Cross multiply
    199,135.44x = 298,710.42 × 66,027.33
  4. Step 4: Simplify right side
    199,135.44x = 19,723,051,475.78
  5. Step 5: Solve for x
    x = 19,723,051,475.78/199,135.44
  6. Step 6: Final answer
    x = 99,043.40

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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.