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Finding the Fourth Proportional to 108,505.92, 162,842.16 and 48,552.96

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Solution

The fourth proportional to 108,505.92, 162,842.16 and 48,552.96 is: 72,866.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,505.92 : 162,842.16 = 48,552.96 : x
  2. Step 2: Convert to fraction form
    108,505.92/162,842.16 = 48,552.96/x
  3. Step 3: Cross multiply
    108,505.92x = 162,842.16 × 48,552.96
  4. Step 4: Simplify right side
    108,505.92x = 7,906,468,880.79
  5. Step 5: Solve for x
    x = 7,906,468,880.79/108,505.92
  6. Step 6: Final answer
    x = 72,866.71

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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.