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Finding the Fourth Proportional to 150,377.92, 225,676.14 and 121,148.80

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Solution

The fourth proportional to 150,377.92, 225,676.14 and 121,148.80 is: 181,811.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,377.92 : 225,676.14 = 121,148.80 : x
  2. Step 2: Convert to fraction form
    150,377.92/225,676.14 = 121,148.80/x
  3. Step 3: Cross multiply
    150,377.92x = 225,676.14 × 121,148.80
  4. Step 4: Simplify right side
    150,377.92x = 27,340,393,549.63
  5. Step 5: Solve for x
    x = 27,340,393,549.63/150,377.92
  6. Step 6: Final answer
    x = 181,811.22

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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.