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Finding the Fourth Proportional to 66,104.31, 99,195.86 and 23,987.67

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Solution

The fourth proportional to 66,104.31, 99,195.86 and 23,987.67 is: 35,995.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,104.31 : 99,195.86 = 23,987.67 : x
  2. Step 2: Convert to fraction form
    66,104.31/99,195.86 = 23,987.67/x
  3. Step 3: Cross multiply
    66,104.31x = 99,195.86 × 23,987.67
  4. Step 4: Simplify right side
    66,104.31x = 2,379,477,917.97
  5. Step 5: Solve for x
    x = 2,379,477,917.97/66,104.31
  6. Step 6: Final answer
    x = 35,995.81

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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.