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Finding the Fourth Proportional to 150,074.56, 225,145.12 and 56,581.12

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Solution

The fourth proportional to 150,074.56, 225,145.12 and 56,581.12 is: 84,884.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,074.56 : 225,145.12 = 56,581.12 : x
  2. Step 2: Convert to fraction form
    150,074.56/225,145.12 = 56,581.12/x
  3. Step 3: Cross multiply
    150,074.56x = 225,145.12 × 56,581.12
  4. Step 4: Simplify right side
    150,074.56x = 12,738,963,052.13
  5. Step 5: Solve for x
    x = 12,738,963,052.13/150,074.56
  6. Step 6: Final answer
    x = 84,884.23

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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.