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Finding the Fourth Proportional to 170,481.62, 255,713.15 and 52,152.96

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Solution

The fourth proportional to 170,481.62, 255,713.15 and 52,152.96 is: 78,226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,481.62 : 255,713.15 = 52,152.96 : x
  2. Step 2: Convert to fraction form
    170,481.62/255,713.15 = 52,152.96/x
  3. Step 3: Cross multiply
    170,481.62x = 255,713.15 × 52,152.96
  4. Step 4: Simplify right side
    170,481.62x = 13,336,197,040.98
  5. Step 5: Solve for x
    x = 13,336,197,040.98/170,481.62
  6. Step 6: Final answer
    x = 78,226.60

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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.