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Finding the Fourth Proportional to 79,227,046.20, 110,993,447.40 and 79,227,046.20

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Solution

The fourth proportional to 79,227,046.20, 110,993,447.40 and 79,227,046.20 is: 110,993,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,227,046.20 : 110,993,447.40 = 79,227,046.20 : x
  2. Step 2: Convert to fraction form
    79,227,046.20/110,993,447.40 = 79,227,046.20/x
  3. Step 3: Cross multiply
    79,227,046.20x = 110,993,447.40 × 79,227,046.20
  4. Step 4: Simplify right side
    79,227,046.20x = 8,793,682,985,057,071
  5. Step 5: Solve for x
    x = 8,793,682,985,057,071/79,227,046.20
  6. Step 6: Final answer
    x = 110,993,447.40

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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.