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Finding the Fourth Proportional to 108,219.69, 162,352.62 and 63,879.48

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Solution

The fourth proportional to 108,219.69, 162,352.62 and 63,879.48 is: 95,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,219.69 : 162,352.62 = 63,879.48 : x
  2. Step 2: Convert to fraction form
    108,219.69/162,352.62 = 63,879.48/x
  3. Step 3: Cross multiply
    108,219.69x = 162,352.62 × 63,879.48
  4. Step 4: Simplify right side
    108,219.69x = 10,371,000,942.24
  5. Step 5: Solve for x
    x = 10,371,000,942.24/108,219.69
  6. Step 6: Final answer
    x = 95,832.85

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1.5x scale

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.