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Finding the Fourth Proportional to 84,251,200.30, 118,110,932.90 and 84,251,200.30

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Solution

The fourth proportional to 84,251,200.30, 118,110,932.90 and 84,251,200.30 is: 118,110,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,251,200.30 : 118,110,932.90 = 84,251,200.30 : x
  2. Step 2: Convert to fraction form
    84,251,200.30/118,110,932.90 = 84,251,200.30/x
  3. Step 3: Cross multiply
    84,251,200.30x = 118,110,932.90 × 84,251,200.30
  4. Step 4: Simplify right side
    84,251,200.30x = 9,950,987,865,377,760
  5. Step 5: Solve for x
    x = 9,950,987,865,377,760/84,251,200.30
  6. Step 6: Final answer
    x = 118,110,932.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.