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Finding the Fourth Proportional to 170,668.62, 255,993.35 and 52,339.64

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Solution

The fourth proportional to 170,668.62, 255,993.35 and 52,339.64 is: 78,506.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,668.62 : 255,993.35 = 52,339.64 : x
  2. Step 2: Convert to fraction form
    170,668.62/255,993.35 = 52,339.64/x
  3. Step 3: Cross multiply
    170,668.62x = 255,993.35 × 52,339.64
  4. Step 4: Simplify right side
    170,668.62x = 13,398,598,239.73
  5. Step 5: Solve for x
    x = 13,398,598,239.73/170,668.62
  6. Step 6: Final answer
    x = 78,506.51

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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.