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Finding the Fourth Proportional to 271,041.39, 406,562.97 and 68,637.38

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Solution

The fourth proportional to 271,041.39, 406,562.97 and 68,637.38 is: 102,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,041.39 : 406,562.97 = 68,637.38 : x
  2. Step 2: Convert to fraction form
    271,041.39/406,562.97 = 68,637.38/x
  3. Step 3: Cross multiply
    271,041.39x = 406,562.97 × 68,637.38
  4. Step 4: Simplify right side
    271,041.39x = 27,905,417,065.82
  5. Step 5: Solve for x
    x = 27,905,417,065.82/271,041.39
  6. Step 6: Final answer
    x = 102,956.30

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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.