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Finding the Fourth Proportional to 251,843.20, 377,805.80 and 74,368.16

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Solution

The fourth proportional to 251,843.20, 377,805.80 and 74,368.16 is: 111,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,843.20 : 377,805.80 = 74,368.16 : x
  2. Step 2: Convert to fraction form
    251,843.20/377,805.80 = 74,368.16/x
  3. Step 3: Cross multiply
    251,843.20x = 377,805.80 × 74,368.16
  4. Step 4: Simplify right side
    251,843.20x = 28,096,722,183.33
  5. Step 5: Solve for x
    x = 28,096,722,183.33/251,843.20
  6. Step 6: Final answer
    x = 111,564.35

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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.