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Finding the Fourth Proportional to 271,398.78, 374,536.31 and 150,536.12

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Solution

The fourth proportional to 271,398.78, 374,536.31 and 150,536.12 is: 207,743.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,398.78 : 374,536.31 = 150,536.12 : x
  2. Step 2: Convert to fraction form
    271,398.78/374,536.31 = 150,536.12/x
  3. Step 3: Cross multiply
    271,398.78x = 374,536.31 × 150,536.12
  4. Step 4: Simplify right side
    271,398.78x = 56,381,240,281.16
  5. Step 5: Solve for x
    x = 56,381,240,281.16/271,398.78
  6. Step 6: Final answer
    x = 207,743.16

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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.