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Finding the Fourth Proportional to 271,510.39, 374,678.61 and 150,649.09

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Solution

The fourth proportional to 271,510.39, 374,678.61 and 150,649.09 is: 207,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,510.39 : 374,678.61 = 150,649.09 : x
  2. Step 2: Convert to fraction form
    271,510.39/374,678.61 = 150,649.09/x
  3. Step 3: Cross multiply
    271,510.39x = 374,678.61 × 150,649.09
  4. Step 4: Simplify right side
    271,510.39x = 56,444,991,638.96
  5. Step 5: Solve for x
    x = 56,444,991,638.96/271,510.39
  6. Step 6: Final answer
    x = 207,892.57

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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.