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Finding the Fourth Proportional to 271,574.69, 374,761.97 and 150,721.01

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Solution

The fourth proportional to 271,574.69, 374,761.97 and 150,721.01 is: 207,988.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,574.69 : 374,761.97 = 150,721.01 : x
  2. Step 2: Convert to fraction form
    271,574.69/374,761.97 = 150,721.01/x
  3. Step 3: Cross multiply
    271,574.69x = 374,761.97 × 150,721.01
  4. Step 4: Simplify right side
    271,574.69x = 56,484,501,874.38
  5. Step 5: Solve for x
    x = 56,484,501,874.38/271,574.69
  6. Step 6: Final answer
    x = 207,988.83

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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.