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Finding the Fourth Proportional to 251,366.35, 377,229.45 and 91,441.97

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Solution

The fourth proportional to 251,366.35, 377,229.45 and 91,441.97 is: 137,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,366.35 : 377,229.45 = 91,441.97 : x
  2. Step 2: Convert to fraction form
    251,366.35/377,229.45 = 91,441.97/x
  3. Step 3: Cross multiply
    251,366.35x = 377,229.45 × 91,441.97
  4. Step 4: Simplify right side
    251,366.35x = 34,494,604,050.02
  5. Step 5: Solve for x
    x = 34,494,604,050.02/251,366.35
  6. Step 6: Final answer
    x = 137,228.41

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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.