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Finding the Fourth Proportional to 117,249.48, 175,874.31 and 82,344.96

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Solution

The fourth proportional to 117,249.48, 175,874.31 and 82,344.96 is: 123,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,249.48 : 175,874.31 = 82,344.96 : x
  2. Step 2: Convert to fraction form
    117,249.48/175,874.31 = 82,344.96/x
  3. Step 3: Cross multiply
    117,249.48x = 175,874.31 × 82,344.96
  4. Step 4: Simplify right side
    117,249.48x = 14,482,363,021.98
  5. Step 5: Solve for x
    x = 14,482,363,021.98/117,249.48
  6. Step 6: Final answer
    x = 123,517.50

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1.5x scale

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.