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Finding the Fourth Proportional to 271,227.74, 406,868.95 and 71,561.93

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Solution

The fourth proportional to 271,227.74, 406,868.95 and 71,561.93 is: 107,350.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,227.74 : 406,868.95 = 71,561.93 : x
  2. Step 2: Convert to fraction form
    271,227.74/406,868.95 = 71,561.93/x
  3. Step 3: Cross multiply
    271,227.74x = 406,868.95 × 71,561.93
  4. Step 4: Simplify right side
    271,227.74x = 29,116,328,157.34
  5. Step 5: Solve for x
    x = 29,116,328,157.34/271,227.74
  6. Step 6: Final answer
    x = 107,350.11

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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.