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Finding the Fourth Proportional to 92,093,992.80, 138,116,932.20 and 27,380,371.20

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Solution

The fourth proportional to 92,093,992.80, 138,116,932.20 and 27,380,371.20 is: 41,063,404.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,093,992.80 : 138,116,932.20 = 27,380,371.20 : x
  2. Step 2: Convert to fraction form
    92,093,992.80/138,116,932.20 = 27,380,371.20/x
  3. Step 3: Cross multiply
    92,093,992.80x = 138,116,932.20 × 27,380,371.20
  4. Step 4: Simplify right side
    92,093,992.80x = 3,781,692,872,641,232
  5. Step 5: Solve for x
    x = 3,781,692,872,641,232/92,093,992.80
  6. Step 6: Final answer
    x = 41,063,404.44

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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.