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Finding the Fourth Proportional to 271,040.68, 374,035.78 and 150,189.80

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Solution

The fourth proportional to 271,040.68, 374,035.78 and 150,189.80 is: 207,261.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,040.68 : 374,035.78 = 150,189.80 : x
  2. Step 2: Convert to fraction form
    271,040.68/374,035.78 = 150,189.80/x
  3. Step 3: Cross multiply
    271,040.68x = 374,035.78 × 150,189.80
  4. Step 4: Simplify right side
    271,040.68x = 56,176,356,463.78
  5. Step 5: Solve for x
    x = 56,176,356,463.78/271,040.68
  6. Step 6: Final answer
    x = 207,261.72

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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.