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Finding the Fourth Proportional to 111,021.96, 166,514.70 and 47,824.94

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Solution

The fourth proportional to 111,021.96, 166,514.70 and 47,824.94 is: 71,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,021.96 : 166,514.70 = 47,824.94 : x
  2. Step 2: Convert to fraction form
    111,021.96/166,514.70 = 47,824.94/x
  3. Step 3: Cross multiply
    111,021.96x = 166,514.70 × 47,824.94
  4. Step 4: Simplify right side
    111,021.96x = 7,963,555,536.62
  5. Step 5: Solve for x
    x = 7,963,555,536.62/111,021.96
  6. Step 6: Final answer
    x = 71,729.55

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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.