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Finding the Fourth Proportional to 251,369.35, 377,233.95 and 91,444.97

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Solution

The fourth proportional to 251,369.35, 377,233.95 and 91,444.97 is: 137,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,369.35 : 377,233.95 = 91,444.97 : x
  2. Step 2: Convert to fraction form
    251,369.35/377,233.95 = 91,444.97/x
  3. Step 3: Cross multiply
    251,369.35x = 377,233.95 × 91,444.97
  4. Step 4: Simplify right side
    251,369.35x = 34,496,147,240.73
  5. Step 5: Solve for x
    x = 34,496,147,240.73/251,369.35
  6. Step 6: Final answer
    x = 137,232.91

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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.