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Finding the Fourth Proportional to 203,011.44, 304,546.32 and 62,781

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Solution

The fourth proportional to 203,011.44, 304,546.32 and 62,781 is: 94,180.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,011.44 : 304,546.32 = 62,781 : x
  2. Step 2: Convert to fraction form
    203,011.44/304,546.32 = 62,781/x
  3. Step 3: Cross multiply
    203,011.44x = 304,546.32 × 62,781
  4. Step 4: Simplify right side
    203,011.44x = 19,119,722,515.92
  5. Step 5: Solve for x
    x = 19,119,722,515.92/203,011.44
  6. Step 6: Final answer
    x = 94,180.52

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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.