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Finding the Fourth Proportional to 203,077.73, 304,663.32 and 68,159.70

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Solution

The fourth proportional to 203,077.73, 304,663.32 and 68,159.70 is: 102,255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,077.73 : 304,663.32 = 68,159.70 : x
  2. Step 2: Convert to fraction form
    203,077.73/304,663.32 = 68,159.70/x
  3. Step 3: Cross multiply
    203,077.73x = 304,663.32 × 68,159.70
  4. Step 4: Simplify right side
    203,077.73x = 20,765,760,492.20
  5. Step 5: Solve for x
    x = 20,765,760,492.20/203,077.73
  6. Step 6: Final answer
    x = 102,255.23

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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.