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Finding the Fourth Proportional to 110,064.40, 165,096.60 and 109,408.30

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Solution

The fourth proportional to 110,064.40, 165,096.60 and 109,408.30 is: 164,112.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,064.40 : 165,096.60 = 109,408.30 : x
  2. Step 2: Convert to fraction form
    110,064.40/165,096.60 = 109,408.30/x
  3. Step 3: Cross multiply
    110,064.40x = 165,096.60 × 109,408.30
  4. Step 4: Simplify right side
    110,064.40x = 18,062,938,341.78
  5. Step 5: Solve for x
    x = 18,062,938,341.78/110,064.40
  6. Step 6: Final answer
    x = 164,112.45

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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.