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Finding the Fourth Proportional to 150,661.06, 225,780.32 and 108,342

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Solution

The fourth proportional to 150,661.06, 225,780.32 and 108,342 is: 162,361.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,661.06 : 225,780.32 = 108,342 : x
  2. Step 2: Convert to fraction form
    150,661.06/225,780.32 = 108,342/x
  3. Step 3: Cross multiply
    150,661.06x = 225,780.32 × 108,342
  4. Step 4: Simplify right side
    150,661.06x = 24,461,491,700.30
  5. Step 5: Solve for x
    x = 24,461,491,700.30/150,661.06
  6. Step 6: Final answer
    x = 162,361.08

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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.