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Finding the Fourth Proportional to 225,840.91, 338,892.60 and 101,181.91

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Solution

The fourth proportional to 225,840.91, 338,892.60 and 101,181.91 is: 151,831.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,840.91 : 338,892.60 = 101,181.91 : x
  2. Step 2: Convert to fraction form
    225,840.91/338,892.60 = 101,181.91/x
  3. Step 3: Cross multiply
    225,840.91x = 338,892.60 × 101,181.91
  4. Step 4: Simplify right side
    225,840.91x = 34,289,800,552.87
  5. Step 5: Solve for x
    x = 34,289,800,552.87/225,840.91
  6. Step 6: Final answer
    x = 151,831.66

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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.