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Finding the Fourth Proportional to 111,425,844.60, 167,138,766.90 and 111,425,844.60

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Solution

The fourth proportional to 111,425,844.60, 167,138,766.90 and 111,425,844.60 is: 167,138,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,425,844.60 : 167,138,766.90 = 111,425,844.60 : x
  2. Step 2: Convert to fraction form
    111,425,844.60/167,138,766.90 = 111,425,844.60/x
  3. Step 3: Cross multiply
    111,425,844.60x = 167,138,766.90 × 111,425,844.60
  4. Step 4: Simplify right side
    111,425,844.60x = 18,623,578,267,235,024
  5. Step 5: Solve for x
    x = 18,623,578,267,235,024/111,425,844.60
  6. Step 6: Final answer
    x = 167,138,766.90

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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.