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Finding the Fourth Proportional to 344,871.52, 517,142.94 and 120,204.52

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Solution

The fourth proportional to 344,871.52, 517,142.94 and 120,204.52 is: 180,249.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,871.52 : 517,142.94 = 120,204.52 : x
  2. Step 2: Convert to fraction form
    344,871.52/517,142.94 = 120,204.52/x
  3. Step 3: Cross multiply
    344,871.52x = 517,142.94 × 120,204.52
  4. Step 4: Simplify right side
    344,871.52x = 62,162,918,874.09
  5. Step 5: Solve for x
    x = 62,162,918,874.09/344,871.52
  6. Step 6: Final answer
    x = 180,249.50

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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.