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Finding the Fourth Proportional to 110,308.58, 165,408.22 and 39,220.56

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Solution

The fourth proportional to 110,308.58, 165,408.22 and 39,220.56 is: 58,811.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,308.58 : 165,408.22 = 39,220.56 : x
  2. Step 2: Convert to fraction form
    110,308.58/165,408.22 = 39,220.56/x
  3. Step 3: Cross multiply
    110,308.58x = 165,408.22 × 39,220.56
  4. Step 4: Simplify right side
    110,308.58x = 6,487,403,017.00
  5. Step 5: Solve for x
    x = 6,487,403,017.00/110,308.58
  6. Step 6: Final answer
    x = 58,811.41

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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.