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Finding the Fourth Proportional to 248,111,940.20, 372,167,910.30 and 248,111,940.20

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Solution

The fourth proportional to 248,111,940.20, 372,167,910.30 and 248,111,940.20 is: 372,167,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,111,940.20 : 372,167,910.30 = 248,111,940.20 : x
  2. Step 2: Convert to fraction form
    248,111,940.20/372,167,910.30 = 248,111,940.20/x
  3. Step 3: Cross multiply
    248,111,940.20x = 372,167,910.30 × 248,111,940.20
  4. Step 4: Simplify right side
    248,111,940.20x = 92,339,302,304,712,560
  5. Step 5: Solve for x
    x = 92,339,302,304,712,560/248,111,940.20
  6. Step 6: Final answer
    x = 372,167,910.30

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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.