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Finding the Fourth Proportional to 110,496.79, 165,755.87 and 43,921.98

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Solution

The fourth proportional to 110,496.79, 165,755.87 and 43,921.98 is: 65,887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,496.79 : 165,755.87 = 43,921.98 : x
  2. Step 2: Convert to fraction form
    110,496.79/165,755.87 = 43,921.98/x
  3. Step 3: Cross multiply
    110,496.79x = 165,755.87 × 43,921.98
  4. Step 4: Simplify right side
    110,496.79x = 7,280,326,007.02
  5. Step 5: Solve for x
    x = 7,280,326,007.02/110,496.79
  6. Step 6: Final answer
    x = 65,887.22

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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.