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Finding the Fourth Proportional to 149,992.00, 207,010.11 and 91,883.41

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Solution

The fourth proportional to 149,992.00, 207,010.11 and 91,883.41 is: 126,812.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,992.00 : 207,010.11 = 91,883.41 : x
  2. Step 2: Convert to fraction form
    149,992.00/207,010.11 = 91,883.41/x
  3. Step 3: Cross multiply
    149,992.00x = 207,010.11 × 91,883.41
  4. Step 4: Simplify right side
    149,992.00x = 19,020,795,027.48
  5. Step 5: Solve for x
    x = 19,020,795,027.48/149,992.00
  6. Step 6: Final answer
    x = 126,812.06

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Why These Related Problems?

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