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Finding the Fourth Proportional to 49,162,461.60, 68,699,900.40 and 49,162,461.60

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Solution

The fourth proportional to 49,162,461.60, 68,699,900.40 and 49,162,461.60 is: 68,699,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,162,461.60 : 68,699,900.40 = 49,162,461.60 : x
  2. Step 2: Convert to fraction form
    49,162,461.60/68,699,900.40 = 49,162,461.60/x
  3. Step 3: Cross multiply
    49,162,461.60x = 68,699,900.40 × 49,162,461.60
  4. Step 4: Simplify right side
    49,162,461.60x = 3,377,456,215,338,825
  5. Step 5: Solve for x
    x = 3,377,456,215,338,825/49,162,461.60
  6. Step 6: Final answer
    x = 68,699,900.40

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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.