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Finding the Fourth Proportional to 108,744.30, 162,922.05 and 92,025.90

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Solution

The fourth proportional to 108,744.30, 162,922.05 and 92,025.90 is: 137,874.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,744.30 : 162,922.05 = 92,025.90 : x
  2. Step 2: Convert to fraction form
    108,744.30/162,922.05 = 92,025.90/x
  3. Step 3: Cross multiply
    108,744.30x = 162,922.05 × 92,025.90
  4. Step 4: Simplify right side
    108,744.30x = 14,993,048,281.10
  5. Step 5: Solve for x
    x = 14,993,048,281.10/108,744.30
  6. Step 6: Final answer
    x = 137,874.34

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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.