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Finding the Fourth Proportional to 110,351.20, 165,699.60 and 63,695.20

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Solution

The fourth proportional to 110,351.20, 165,699.60 and 63,695.20 is: 95,642.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,351.20 : 165,699.60 = 63,695.20 : x
  2. Step 2: Convert to fraction form
    110,351.20/165,699.60 = 63,695.20/x
  3. Step 3: Cross multiply
    110,351.20x = 165,699.60 × 63,695.20
  4. Step 4: Simplify right side
    110,351.20x = 10,554,269,161.92
  5. Step 5: Solve for x
    x = 10,554,269,161.92/110,351.20
  6. Step 6: Final answer
    x = 95,642.54

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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.