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Finding the Fourth Proportional to 111,230,191.80, 166,845,287.70 and 111,230,191.80

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Solution

The fourth proportional to 111,230,191.80, 166,845,287.70 and 111,230,191.80 is: 166,845,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,230,191.80 : 166,845,287.70 = 111,230,191.80 : x
  2. Step 2: Convert to fraction form
    111,230,191.80/166,845,287.70 = 111,230,191.80/x
  3. Step 3: Cross multiply
    111,230,191.80x = 166,845,287.70 × 111,230,191.80
  4. Step 4: Simplify right side
    111,230,191.80x = 18,558,233,351,797,180
  5. Step 5: Solve for x
    x = 18,558,233,351,797,180/111,230,191.80
  6. Step 6: Final answer
    x = 166,845,287.70

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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.