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Finding the Fourth Proportional to 271,561.50, 374,754.87 and 165,577.50

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Solution

The fourth proportional to 271,561.50, 374,754.87 and 165,577.50 is: 228,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,561.50 : 374,754.87 = 165,577.50 : x
  2. Step 2: Convert to fraction form
    271,561.50/374,754.87 = 165,577.50/x
  3. Step 3: Cross multiply
    271,561.50x = 374,754.87 × 165,577.50
  4. Step 4: Simplify right side
    271,561.50x = 62,050,974,487.43
  5. Step 5: Solve for x
    x = 62,050,974,487.43/271,561.50
  6. Step 6: Final answer
    x = 228,496.95

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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.