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Finding the Fourth Proportional to 71,361.33, 107,206.08 and 50,349.79

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Solution

The fourth proportional to 71,361.33, 107,206.08 and 50,349.79 is: 75,640.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,361.33 : 107,206.08 = 50,349.79 : x
  2. Step 2: Convert to fraction form
    71,361.33/107,206.08 = 50,349.79/x
  3. Step 3: Cross multiply
    71,361.33x = 107,206.08 × 50,349.79
  4. Step 4: Simplify right side
    71,361.33x = 5,397,803,614.72
  5. Step 5: Solve for x
    x = 5,397,803,614.72/71,361.33
  6. Step 6: Final answer
    x = 75,640.46

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1.5x scale

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.