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Finding the Fourth Proportional to 150,615.32, 225,928.91 and 45,434.29

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Solution

The fourth proportional to 150,615.32, 225,928.91 and 45,434.29 is: 68,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,615.32 : 225,928.91 = 45,434.29 : x
  2. Step 2: Convert to fraction form
    150,615.32/225,928.91 = 45,434.29/x
  3. Step 3: Cross multiply
    150,615.32x = 225,928.91 × 45,434.29
  4. Step 4: Simplify right side
    150,615.32x = 10,264,919,616.32
  5. Step 5: Solve for x
    x = 10,264,919,616.32/150,615.32
  6. Step 6: Final answer
    x = 68,153.22

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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.