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Finding the Fourth Proportional to 167,911.66, 252,002.36 and 83,668.42

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Solution

The fourth proportional to 167,911.66, 252,002.36 and 83,668.42 is: 125,569.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,911.66 : 252,002.36 = 83,668.42 : x
  2. Step 2: Convert to fraction form
    167,911.66/252,002.36 = 83,668.42/x
  3. Step 3: Cross multiply
    167,911.66x = 252,002.36 × 83,668.42
  4. Step 4: Simplify right side
    167,911.66x = 21,084,639,297.47
  5. Step 5: Solve for x
    x = 21,084,639,297.47/167,911.66
  6. Step 6: Final answer
    x = 125,569.83

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1.5x scale

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.