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Finding the Fourth Proportional to 170,601.56, 255,935.14 and 65,412.33

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Solution

The fourth proportional to 170,601.56, 255,935.14 and 65,412.33 is: 98,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,601.56 : 255,935.14 = 65,412.33 : x
  2. Step 2: Convert to fraction form
    170,601.56/255,935.14 = 65,412.33/x
  3. Step 3: Cross multiply
    170,601.56x = 255,935.14 × 65,412.33
  4. Step 4: Simplify right side
    170,601.56x = 16,741,313,836.28
  5. Step 5: Solve for x
    x = 16,741,313,836.28/170,601.56
  6. Step 6: Final answer
    x = 98,131.07

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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.