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Finding the Fourth Proportional to 270,697.32, 373,556.94 and 149,831.54

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Solution

The fourth proportional to 270,697.32, 373,556.94 and 149,831.54 is: 206,764.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,697.32 : 373,556.94 = 149,831.54 : x
  2. Step 2: Convert to fraction form
    270,697.32/373,556.94 = 149,831.54/x
  3. Step 3: Cross multiply
    270,697.32x = 373,556.94 × 149,831.54
  4. Step 4: Simplify right side
    270,697.32x = 55,970,611,597.89
  5. Step 5: Solve for x
    x = 55,970,611,597.89/270,697.32
  6. Step 6: Final answer
    x = 206,764.56

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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.