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Finding the Fourth Proportional to 170,661.87, 255,983.22 and 52,332.89

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Solution

The fourth proportional to 170,661.87, 255,983.22 and 52,332.89 is: 78,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,661.87 : 255,983.22 = 52,332.89 : x
  2. Step 2: Convert to fraction form
    170,661.87/255,983.22 = 52,332.89/x
  3. Step 3: Cross multiply
    170,661.87x = 255,983.22 × 52,332.89
  4. Step 4: Simplify right side
    170,661.87x = 13,396,340,414.19
  5. Step 5: Solve for x
    x = 13,396,340,414.19/170,661.87
  6. Step 6: Final answer
    x = 78,496.39

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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.