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Finding the Fourth Proportional to 203,896.52, 306,031.58 and 109,233.58

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Solution

The fourth proportional to 203,896.52, 306,031.58 and 109,233.58 is: 163,950.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,896.52 : 306,031.58 = 109,233.58 : x
  2. Step 2: Convert to fraction form
    203,896.52/306,031.58 = 109,233.58/x
  3. Step 3: Cross multiply
    203,896.52x = 306,031.58 × 109,233.58
  4. Step 4: Simplify right side
    203,896.52x = 33,428,925,076.46
  5. Step 5: Solve for x
    x = 33,428,925,076.46/203,896.52
  6. Step 6: Final answer
    x = 163,950.44

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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.