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Finding the Fourth Proportional to 251,433.64, 377,150.50 and 73,940.68

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Solution

The fourth proportional to 251,433.64, 377,150.50 and 73,940.68 is: 110,911.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,433.64 : 377,150.50 = 73,940.68 : x
  2. Step 2: Convert to fraction form
    251,433.64/377,150.50 = 73,940.68/x
  3. Step 3: Cross multiply
    251,433.64x = 377,150.50 × 73,940.68
  4. Step 4: Simplify right side
    251,433.64x = 27,886,764,432.34
  5. Step 5: Solve for x
    x = 27,886,764,432.34/251,433.64
  6. Step 6: Final answer
    x = 110,911.03

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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.