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Finding the Fourth Proportional to 262,854.56, 394,562.40 and 113,168.96

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Solution

The fourth proportional to 262,854.56, 394,562.40 and 113,168.96 is: 169,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,854.56 : 394,562.40 = 113,168.96 : x
  2. Step 2: Convert to fraction form
    262,854.56/394,562.40 = 113,168.96/x
  3. Step 3: Cross multiply
    262,854.56x = 394,562.40 × 113,168.96
  4. Step 4: Simplify right side
    262,854.56x = 44,652,216,463.10
  5. Step 5: Solve for x
    x = 44,652,216,463.10/262,854.56
  6. Step 6: Final answer
    x = 169,874.23

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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.