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Finding the Fourth Proportional to 71,366.70, 106,904.72 and 33,812.94

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Solution

The fourth proportional to 71,366.70, 106,904.72 and 33,812.94 is: 50,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,366.70 : 106,904.72 = 33,812.94 : x
  2. Step 2: Convert to fraction form
    71,366.70/106,904.72 = 33,812.94/x
  3. Step 3: Cross multiply
    71,366.70x = 106,904.72 × 33,812.94
  4. Step 4: Simplify right side
    71,366.70x = 3,614,762,883.08
  5. Step 5: Solve for x
    x = 3,614,762,883.08/71,366.70
  6. Step 6: Final answer
    x = 50,650.55

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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.