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Finding the Fourth Proportional to 108,099.60, 162,173.70 and 33,223.20

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Solution

The fourth proportional to 108,099.60, 162,173.70 and 33,223.20 is: 49,842.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,099.60 : 162,173.70 = 33,223.20 : x
  2. Step 2: Convert to fraction form
    108,099.60/162,173.70 = 33,223.20/x
  3. Step 3: Cross multiply
    108,099.60x = 162,173.70 × 33,223.20
  4. Step 4: Simplify right side
    108,099.60x = 5,387,929,269.84
  5. Step 5: Solve for x
    x = 5,387,929,269.84/108,099.60
  6. Step 6: Final answer
    x = 49,842.27

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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.