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Finding the Fourth Proportional to 108,174.92, 162,184.60 and 48,980.12

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Solution

The fourth proportional to 108,174.92, 162,184.60 and 48,980.12 is: 73,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,174.92 : 162,184.60 = 48,980.12 : x
  2. Step 2: Convert to fraction form
    108,174.92/162,184.60 = 48,980.12/x
  3. Step 3: Cross multiply
    108,174.92x = 162,184.60 × 48,980.12
  4. Step 4: Simplify right side
    108,174.92x = 7,943,821,170.15
  5. Step 5: Solve for x
    x = 7,943,821,170.15/108,174.92
  6. Step 6: Final answer
    x = 73,434.96

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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.