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Finding the Fourth Proportional to 202,944.48, 304,418.81 and 90,630.42

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Solution

The fourth proportional to 202,944.48, 304,418.81 and 90,630.42 is: 135,946.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,944.48 : 304,418.81 = 90,630.42 : x
  2. Step 2: Convert to fraction form
    202,944.48/304,418.81 = 90,630.42/x
  3. Step 3: Cross multiply
    202,944.48x = 304,418.81 × 90,630.42
  4. Step 4: Simplify right side
    202,944.48x = 27,589,602,630.95
  5. Step 5: Solve for x
    x = 27,589,602,630.95/202,944.48
  6. Step 6: Final answer
    x = 135,946.56

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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.