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Finding the Fourth Proportional to 203,101.10, 304,704.21 and 118,932.38

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Solution

The fourth proportional to 203,101.10, 304,704.21 and 118,932.38 is: 178,429.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,101.10 : 304,704.21 = 118,932.38 : x
  2. Step 2: Convert to fraction form
    203,101.10/304,704.21 = 118,932.38/x
  3. Step 3: Cross multiply
    203,101.10x = 304,704.21 × 118,932.38
  4. Step 4: Simplify right side
    203,101.10x = 36,239,196,891.32
  5. Step 5: Solve for x
    x = 36,239,196,891.32/203,101.10
  6. Step 6: Final answer
    x = 178,429.35

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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.