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Finding the Fourth Proportional to 167,885,950, 251,522,016 and 121,713,466.72

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Solution

The fourth proportional to 167,885,950, 251,522,016 and 121,713,466.72 is: 182,347,698.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,885,950 : 251,522,016 = 121,713,466.72 : x
  2. Step 2: Convert to fraction form
    167,885,950/251,522,016 = 121,713,466.72/x
  3. Step 3: Cross multiply
    167,885,950x = 251,522,016 × 121,713,466.72
  4. Step 4: Simplify right side
    167,885,950x = 30,613,616,523,763,308
  5. Step 5: Solve for x
    x = 30,613,616,523,763,308/167,885,950
  6. Step 6: Final answer
    x = 182,347,698.09

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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.