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Finding the Fourth Proportional to 79,225,234.20, 110,990,910.60 and 79,225,234.20

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Solution

The fourth proportional to 79,225,234.20, 110,990,910.60 and 79,225,234.20 is: 110,990,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,225,234.20 : 110,990,910.60 = 79,225,234.20 : x
  2. Step 2: Convert to fraction form
    79,225,234.20/110,990,910.60 = 79,225,234.20/x
  3. Step 3: Cross multiply
    79,225,234.20x = 110,990,910.60 × 79,225,234.20
  4. Step 4: Simplify right side
    79,225,234.20x = 8,793,280,886,356,262
  5. Step 5: Solve for x
    x = 8,793,280,886,356,262/79,225,234.20
  6. Step 6: Final answer
    x = 110,990,910.60

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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.