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Finding the Fourth Proportional to 113,668.80, 170,504.06 and 50,471.91

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Solution

The fourth proportional to 113,668.80, 170,504.06 and 50,471.91 is: 75,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,668.80 : 170,504.06 = 50,471.91 : x
  2. Step 2: Convert to fraction form
    113,668.80/170,504.06 = 50,471.91/x
  3. Step 3: Cross multiply
    113,668.80x = 170,504.06 × 50,471.91
  4. Step 4: Simplify right side
    113,668.80x = 8,605,665,318.60
  5. Step 5: Solve for x
    x = 8,605,665,318.60/113,668.80
  6. Step 6: Final answer
    x = 75,708.24

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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.