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Finding the Fourth Proportional to 225,729.02, 338,593.26 and 67,957.22

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Solution

The fourth proportional to 225,729.02, 338,593.26 and 67,957.22 is: 101,935.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,729.02 : 338,593.26 = 67,957.22 : x
  2. Step 2: Convert to fraction form
    225,729.02/338,593.26 = 67,957.22/x
  3. Step 3: Cross multiply
    225,729.02x = 338,593.26 × 67,957.22
  4. Step 4: Simplify right side
    225,729.02x = 23,009,856,660.34
  5. Step 5: Solve for x
    x = 23,009,856,660.34/225,729.02
  6. Step 6: Final answer
    x = 101,935.75

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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.