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Finding the Fourth Proportional to 65,954.45, 98,908.90 and 43,883.98

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Solution

The fourth proportional to 65,954.45, 98,908.90 and 43,883.98 is: 65,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,954.45 : 98,908.90 = 43,883.98 : x
  2. Step 2: Convert to fraction form
    65,954.45/98,908.90 = 43,883.98/x
  3. Step 3: Cross multiply
    65,954.45x = 98,908.90 × 43,883.98
  4. Step 4: Simplify right side
    65,954.45x = 4,340,515,832.44
  5. Step 5: Solve for x
    x = 4,340,515,832.44/65,954.45
  6. Step 6: Final answer
    x = 65,810.81

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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.