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Finding the Fourth Proportional to 272,067.96, 375,384.06 and 158,825.64

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Solution

The fourth proportional to 272,067.96, 375,384.06 and 158,825.64 is: 219,138.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,067.96 : 375,384.06 = 158,825.64 : x
  2. Step 2: Convert to fraction form
    272,067.96/375,384.06 = 158,825.64/x
  3. Step 3: Cross multiply
    272,067.96x = 375,384.06 × 158,825.64
  4. Step 4: Simplify right side
    272,067.96x = 59,620,613,575.30
  5. Step 5: Solve for x
    x = 59,620,613,575.30/272,067.96
  6. Step 6: Final answer
    x = 219,138.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.