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Finding the Fourth Proportional to 150,376.88, 225,570.78 and 50,540.40

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Solution

The fourth proportional to 150,376.88, 225,570.78 and 50,540.40 is: 75,812.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,376.88 : 225,570.78 = 50,540.40 : x
  2. Step 2: Convert to fraction form
    150,376.88/225,570.78 = 50,540.40/x
  3. Step 3: Cross multiply
    150,376.88x = 225,570.78 × 50,540.40
  4. Step 4: Simplify right side
    150,376.88x = 11,400,437,449.51
  5. Step 5: Solve for x
    x = 11,400,437,449.51/150,376.88
  6. Step 6: Final answer
    x = 75,812.44

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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.