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Finding the Fourth Proportional to 215,169.44, 322,755.60 and 74,927.60

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Solution

The fourth proportional to 215,169.44, 322,755.60 and 74,927.60 is: 112,391.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,169.44 : 322,755.60 = 74,927.60 : x
  2. Step 2: Convert to fraction form
    215,169.44/322,755.60 = 74,927.60/x
  3. Step 3: Cross multiply
    215,169.44x = 322,755.60 × 74,927.60
  4. Step 4: Simplify right side
    215,169.44x = 24,183,302,494.56
  5. Step 5: Solve for x
    x = 24,183,302,494.56/215,169.44
  6. Step 6: Final answer
    x = 112,391.90

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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.