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Finding the Fourth Proportional to 70,964,065.80, 106,446,098.70 and 63,797,704.20

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Solution

The fourth proportional to 70,964,065.80, 106,446,098.70 and 63,797,704.20 is: 95,696,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,964,065.80 : 106,446,098.70 = 63,797,704.20 : x
  2. Step 2: Convert to fraction form
    70,964,065.80/106,446,098.70 = 63,797,704.20/x
  3. Step 3: Cross multiply
    70,964,065.80x = 106,446,098.70 × 63,797,704.20
  4. Step 4: Simplify right side
    70,964,065.80x = 6,791,016,718,106,605
  5. Step 5: Solve for x
    x = 6,791,016,718,106,605/70,964,065.80
  6. Step 6: Final answer
    x = 95,696,556.30

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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.