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Finding the Fourth Proportional to 271,019, 374,006.22 and 151,787

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Solution

The fourth proportional to 271,019, 374,006.22 and 151,787 is: 209,466.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,019 : 374,006.22 = 151,787 : x
  2. Step 2: Convert to fraction form
    271,019/374,006.22 = 151,787/x
  3. Step 3: Cross multiply
    271,019x = 374,006.22 × 151,787
  4. Step 4: Simplify right side
    271,019x = 56,769,282,115.14
  5. Step 5: Solve for x
    x = 56,769,282,115.14/271,019
  6. Step 6: Final answer
    x = 209,466.06

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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.