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Finding the Fourth Proportional to 251,409.88, 377,126.43 and 82,944.92

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Solution

The fourth proportional to 251,409.88, 377,126.43 and 82,944.92 is: 124,421.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,409.88 : 377,126.43 = 82,944.92 : x
  2. Step 2: Convert to fraction form
    251,409.88/377,126.43 = 82,944.92/x
  3. Step 3: Cross multiply
    251,409.88x = 377,126.43 × 82,944.92
  4. Step 4: Simplify right side
    251,409.88x = 31,280,722,844.98
  5. Step 5: Solve for x
    x = 31,280,722,844.98/251,409.88
  6. Step 6: Final answer
    x = 124,421.22

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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.