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Finding the Fourth Proportional to 271,360.71, 407,060.55 and 71,679.15

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Solution

The fourth proportional to 271,360.71, 407,060.55 and 71,679.15 is: 107,523.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,360.71 : 407,060.55 = 71,679.15 : x
  2. Step 2: Convert to fraction form
    271,360.71/407,060.55 = 71,679.15/x
  3. Step 3: Cross multiply
    271,360.71x = 407,060.55 × 71,679.15
  4. Step 4: Simplify right side
    271,360.71x = 29,177,754,222.53
  5. Step 5: Solve for x
    x = 29,177,754,222.53/271,360.71
  6. Step 6: Final answer
    x = 107,523.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.