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Finding the Fourth Proportional to 251,854.05, 377,850.06 and 74,360.91

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Solution

The fourth proportional to 251,854.05, 377,850.06 and 74,360.91 is: 111,561.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,854.05 : 377,850.06 = 74,360.91 : x
  2. Step 2: Convert to fraction form
    251,854.05/377,850.06 = 74,360.91/x
  3. Step 3: Cross multiply
    251,854.05x = 377,850.06 × 74,360.91
  4. Step 4: Simplify right side
    251,854.05x = 28,097,274,305.15
  5. Step 5: Solve for x
    x = 28,097,274,305.15/251,854.05
  6. Step 6: Final answer
    x = 111,561.73

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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.