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Finding the Fourth Proportional to 203,263.47, 304,999.29 and 96,767.91

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Solution

The fourth proportional to 203,263.47, 304,999.29 and 96,767.91 is: 145,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,263.47 : 304,999.29 = 96,767.91 : x
  2. Step 2: Convert to fraction form
    203,263.47/304,999.29 = 96,767.91/x
  3. Step 3: Cross multiply
    203,263.47x = 304,999.29 × 96,767.91
  4. Step 4: Simplify right side
    203,263.47x = 29,514,143,844.78
  5. Step 5: Solve for x
    x = 29,514,143,844.78/203,263.47
  6. Step 6: Final answer
    x = 145,201.42

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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.