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Finding the Fourth Proportional to 113,861.54, 170,791.94 and 30,755.54

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Solution

The fourth proportional to 113,861.54, 170,791.94 and 30,755.54 is: 46,133.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,861.54 : 170,791.94 = 30,755.54 : x
  2. Step 2: Convert to fraction form
    113,861.54/170,791.94 = 30,755.54/x
  3. Step 3: Cross multiply
    113,861.54x = 170,791.94 × 30,755.54
  4. Step 4: Simplify right side
    113,861.54x = 5,252,798,342.35
  5. Step 5: Solve for x
    x = 5,252,798,342.35/113,861.54
  6. Step 6: Final answer
    x = 46,133.21

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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.