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Finding the Fourth Proportional to 268,048.01, 401,067.06 and 159,580.64

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Solution

The fourth proportional to 268,048.01, 401,067.06 and 159,580.64 is: 238,772.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,048.01 : 401,067.06 = 159,580.64 : x
  2. Step 2: Convert to fraction form
    268,048.01/401,067.06 = 159,580.64/x
  3. Step 3: Cross multiply
    268,048.01x = 401,067.06 × 159,580.64
  4. Step 4: Simplify right side
    268,048.01x = 64,002,536,112.38
  5. Step 5: Solve for x
    x = 64,002,536,112.38/268,048.01
  6. Step 6: Final answer
    x = 238,772.66

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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.