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Finding the Fourth Proportional to 111,834,221.40, 167,651,604.90 and 43,661,057.40

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Solution

The fourth proportional to 111,834,221.40, 167,651,604.90 and 43,661,057.40 is: 65,452,651.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,834,221.40 : 167,651,604.90 = 43,661,057.40 : x
  2. Step 2: Convert to fraction form
    111,834,221.40/167,651,604.90 = 43,661,057.40/x
  3. Step 3: Cross multiply
    111,834,221.40x = 167,651,604.90 × 43,661,057.40
  4. Step 4: Simplify right side
    111,834,221.40x = 7,319,846,344,741,021
  5. Step 5: Solve for x
    x = 7,319,846,344,741,021/111,834,221.40
  6. Step 6: Final answer
    x = 65,452,651.73

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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.