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Finding the Fourth Proportional to 110,238.77, 165,395.22 and 43,698.08

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Solution

The fourth proportional to 110,238.77, 165,395.22 and 43,698.08 is: 65,561.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,238.77 : 165,395.22 = 43,698.08 : x
  2. Step 2: Convert to fraction form
    110,238.77/165,395.22 = 43,698.08/x
  3. Step 3: Cross multiply
    110,238.77x = 165,395.22 × 43,698.08
  4. Step 4: Simplify right side
    110,238.77x = 7,227,453,804.80
  5. Step 5: Solve for x
    x = 7,227,453,804.80/110,238.77
  6. Step 6: Final answer
    x = 65,561.81

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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.