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Finding the Fourth Proportional to 149,174.92, 223,729.98 and 49,311.64

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Solution

The fourth proportional to 149,174.92, 223,729.98 and 49,311.64 is: 73,956.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,174.92 : 223,729.98 = 49,311.64 : x
  2. Step 2: Convert to fraction form
    149,174.92/223,729.98 = 49,311.64/x
  3. Step 3: Cross multiply
    149,174.92x = 223,729.98 × 49,311.64
  4. Step 4: Simplify right side
    149,174.92x = 11,032,492,230.97
  5. Step 5: Solve for x
    x = 11,032,492,230.97/149,174.92
  6. Step 6: Final answer
    x = 73,956.75

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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.