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Finding the Fourth Proportional to 376,090.92, 564,155.22 and 123,349.02

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Solution

The fourth proportional to 376,090.92, 564,155.22 and 123,349.02 is: 185,029.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,090.92 : 564,155.22 = 123,349.02 : x
  2. Step 2: Convert to fraction form
    376,090.92/564,155.22 = 123,349.02/x
  3. Step 3: Cross multiply
    376,090.92x = 564,155.22 × 123,349.02
  4. Step 4: Simplify right side
    376,090.92x = 69,587,993,514.88
  5. Step 5: Solve for x
    x = 69,587,993,514.88/376,090.92
  6. Step 6: Final answer
    x = 185,029.71

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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.