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Finding the Fourth Proportional to 110,979,969.40, 166,469,954.10 and 110,979,969.40

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Solution

The fourth proportional to 110,979,969.40, 166,469,954.10 and 110,979,969.40 is: 166,469,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,979,969.40 : 166,469,954.10 = 110,979,969.40 : x
  2. Step 2: Convert to fraction form
    110,979,969.40/166,469,954.10 = 110,979,969.40/x
  3. Step 3: Cross multiply
    110,979,969.40x = 166,469,954.10 × 110,979,969.40
  4. Step 4: Simplify right side
    110,979,969.40x = 18,474,830,412,037,404
  5. Step 5: Solve for x
    x = 18,474,830,412,037,404/110,979,969.40
  6. Step 6: Final answer
    x = 166,469,954.10

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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.