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Finding the Fourth Proportional to 108,339.52, 162,529.62 and 49,179.34

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Solution

The fourth proportional to 108,339.52, 162,529.62 and 49,179.34 is: 73,778.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,339.52 : 162,529.62 = 49,179.34 : x
  2. Step 2: Convert to fraction form
    108,339.52/162,529.62 = 49,179.34/x
  3. Step 3: Cross multiply
    108,339.52x = 162,529.62 × 49,179.34
  4. Step 4: Simplify right side
    108,339.52x = 7,993,099,442.05
  5. Step 5: Solve for x
    x = 7,993,099,442.05/108,339.52
  6. Step 6: Final answer
    x = 73,778.24

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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.