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Finding the Fourth Proportional to 226,393.76, 339,571.06 and 76,630.84

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Solution

The fourth proportional to 226,393.76, 339,571.06 and 76,630.84 is: 114,939.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,393.76 : 339,571.06 = 76,630.84 : x
  2. Step 2: Convert to fraction form
    226,393.76/339,571.06 = 76,630.84/x
  3. Step 3: Cross multiply
    226,393.76x = 339,571.06 × 76,630.84
  4. Step 4: Simplify right side
    226,393.76x = 26,021,615,567.49
  5. Step 5: Solve for x
    x = 26,021,615,567.49/226,393.76
  6. Step 6: Final answer
    x = 114,939.63

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1.5x scale

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.