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Finding the Fourth Proportional to 365,979.30, 548,588.35 and 141,493.92

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Solution

The fourth proportional to 365,979.30, 548,588.35 and 141,493.92 is: 212,093.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,979.30 : 548,588.35 = 141,493.92 : x
  2. Step 2: Convert to fraction form
    365,979.30/548,588.35 = 141,493.92/x
  3. Step 3: Cross multiply
    365,979.30x = 548,588.35 × 141,493.92
  4. Step 4: Simplify right side
    365,979.30x = 77,621,916,107.83
  5. Step 5: Solve for x
    x = 77,621,916,107.83/365,979.30
  6. Step 6: Final answer
    x = 212,093.73

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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.