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Finding the Fourth Proportional to 163,993.56, 226,311.90 and 92,374.71

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Solution

The fourth proportional to 163,993.56, 226,311.90 and 92,374.71 is: 127,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,993.56 : 226,311.90 = 92,374.71 : x
  2. Step 2: Convert to fraction form
    163,993.56/226,311.90 = 92,374.71/x
  3. Step 3: Cross multiply
    163,993.56x = 226,311.90 × 92,374.71
  4. Step 4: Simplify right side
    163,993.56x = 20,905,496,132.05
  5. Step 5: Solve for x
    x = 20,905,496,132.05/163,993.56
  6. Step 6: Final answer
    x = 127,477.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.