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Finding the Fourth Proportional to 181,264.94, 250,138.67 and 100,697.54

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Solution

The fourth proportional to 181,264.94, 250,138.67 and 100,697.54 is: 138,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,264.94 : 250,138.67 = 100,697.54 : x
  2. Step 2: Convert to fraction form
    181,264.94/250,138.67 = 100,697.54/x
  3. Step 3: Cross multiply
    181,264.94x = 250,138.67 × 100,697.54
  4. Step 4: Simplify right side
    181,264.94x = 25,188,347,540.11
  5. Step 5: Solve for x
    x = 25,188,347,540.11/181,264.94
  6. Step 6: Final answer
    x = 138,958.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.