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Finding the Fourth Proportional to 273,193.75, 377,245.29 and 171,394.21

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Solution

The fourth proportional to 273,193.75, 377,245.29 and 171,394.21 is: 236,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,193.75 : 377,245.29 = 171,394.21 : x
  2. Step 2: Convert to fraction form
    273,193.75/377,245.29 = 171,394.21/x
  3. Step 3: Cross multiply
    273,193.75x = 377,245.29 × 171,394.21
  4. Step 4: Simplify right side
    273,193.75x = 64,657,658,455.77
  5. Step 5: Solve for x
    x = 64,657,658,455.77/273,193.75
  6. Step 6: Final answer
    x = 236,673.27

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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.