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Finding the Fourth Proportional to 271,324.50, 374,427.81 and 152,092.50

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Solution

The fourth proportional to 271,324.50, 374,427.81 and 152,092.50 is: 209,887.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,324.50 : 374,427.81 = 152,092.50 : x
  2. Step 2: Convert to fraction form
    271,324.50/374,427.81 = 152,092.50/x
  3. Step 3: Cross multiply
    271,324.50x = 374,427.81 × 152,092.50
  4. Step 4: Simplify right side
    271,324.50x = 56,947,661,692.43
  5. Step 5: Solve for x
    x = 56,947,661,692.43/271,324.50
  6. Step 6: Final answer
    x = 209,887.65

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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.