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Finding the Fourth Proportional to 268,003.17, 401,919.40 and 88,046.82

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Solution

The fourth proportional to 268,003.17, 401,919.40 and 88,046.82 is: 132,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,003.17 : 401,919.40 = 88,046.82 : x
  2. Step 2: Convert to fraction form
    268,003.17/401,919.40 = 88,046.82/x
  3. Step 3: Cross multiply
    268,003.17x = 401,919.40 × 88,046.82
  4. Step 4: Simplify right side
    268,003.17x = 35,387,724,846.19
  5. Step 5: Solve for x
    x = 35,387,724,846.19/268,003.17
  6. Step 6: Final answer
    x = 132,042.19

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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.