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Finding the Fourth Proportional to 150,378.71, 225,568.07 and 50,538.91

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Solution

The fourth proportional to 150,378.71, 225,568.07 and 50,538.91 is: 75,808.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,378.71 : 225,568.07 = 50,538.91 : x
  2. Step 2: Convert to fraction form
    150,378.71/225,568.07 = 50,538.91/x
  3. Step 3: Cross multiply
    150,378.71x = 225,568.07 × 50,538.91
  4. Step 4: Simplify right side
    150,378.71x = 11,399,963,571.99
  5. Step 5: Solve for x
    x = 11,399,963,571.99/150,378.71
  6. Step 6: Final answer
    x = 75,808.36

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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.