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Finding the Fourth Proportional to 251,546.72, 377,320.68 and 74,055.87

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Solution

The fourth proportional to 251,546.72, 377,320.68 and 74,055.87 is: 111,083.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,546.72 : 377,320.68 = 74,055.87 : x
  2. Step 2: Convert to fraction form
    251,546.72/377,320.68 = 74,055.87/x
  3. Step 3: Cross multiply
    251,546.72x = 377,320.68 × 74,055.87
  4. Step 4: Simplify right side
    251,546.72x = 27,942,811,226.39
  5. Step 5: Solve for x
    x = 27,942,811,226.39/251,546.72
  6. Step 6: Final answer
    x = 111,083.98

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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.