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Finding the Fourth Proportional to 133,311.28, 199,893.48 and 44,518

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Solution

The fourth proportional to 133,311.28, 199,893.48 and 44,518 is: 66,752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,311.28 : 199,893.48 = 44,518 : x
  2. Step 2: Convert to fraction form
    133,311.28/199,893.48 = 44,518/x
  3. Step 3: Cross multiply
    133,311.28x = 199,893.48 × 44,518
  4. Step 4: Simplify right side
    133,311.28x = 8,898,857,942.64
  5. Step 5: Solve for x
    x = 8,898,857,942.64/133,311.28
  6. Step 6: Final answer
    x = 66,752.48

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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.