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Finding the Fourth Proportional to 151,249.88, 226,874.82 and 40,439

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Solution

The fourth proportional to 151,249.88, 226,874.82 and 40,439 is: 60,658.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,249.88 : 226,874.82 = 40,439 : x
  2. Step 2: Convert to fraction form
    151,249.88/226,874.82 = 40,439/x
  3. Step 3: Cross multiply
    151,249.88x = 226,874.82 × 40,439
  4. Step 4: Simplify right side
    151,249.88x = 9,174,590,845.98
  5. Step 5: Solve for x
    x = 9,174,590,845.98/151,249.88
  6. Step 6: Final answer
    x = 60,658.50

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1.5x scale

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.