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Finding the Fourth Proportional to 108,550.92, 163,076.67 and 104,066.96

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Solution

The fourth proportional to 108,550.92, 163,076.67 and 104,066.96 is: 156,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,550.92 : 163,076.67 = 104,066.96 : x
  2. Step 2: Convert to fraction form
    108,550.92/163,076.67 = 104,066.96/x
  3. Step 3: Cross multiply
    108,550.92x = 163,076.67 × 104,066.96
  4. Step 4: Simplify right side
    108,550.92x = 16,970,892,478.44
  5. Step 5: Solve for x
    x = 16,970,892,478.44/108,550.92
  6. Step 6: Final answer
    x = 156,340.38

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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.