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Finding the Fourth Proportional to 173,755.70, 261,022.35 and 166,670.90

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Solution

The fourth proportional to 173,755.70, 261,022.35 and 166,670.90 is: 250,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,755.70 : 261,022.35 = 166,670.90 : x
  2. Step 2: Convert to fraction form
    173,755.70/261,022.35 = 166,670.90/x
  3. Step 3: Cross multiply
    173,755.70x = 261,022.35 × 166,670.90
  4. Step 4: Simplify right side
    173,755.70x = 43,504,829,994.62
  5. Step 5: Solve for x
    x = 43,504,829,994.62/173,755.70
  6. Step 6: Final answer
    x = 250,379.30

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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.