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Finding the Fourth Proportional to 203,195.59, 304,705.05 and 108,404.63

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Solution

The fourth proportional to 203,195.59, 304,705.05 and 108,404.63 is: 162,559.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,195.59 : 304,705.05 = 108,404.63 : x
  2. Step 2: Convert to fraction form
    203,195.59/304,705.05 = 108,404.63/x
  3. Step 3: Cross multiply
    203,195.59x = 304,705.05 × 108,404.63
  4. Step 4: Simplify right side
    203,195.59x = 33,031,438,204.38
  5. Step 5: Solve for x
    x = 33,031,438,204.38/203,195.59
  6. Step 6: Final answer
    x = 162,559.82

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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.