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Finding the Fourth Proportional to 70,964,066.80, 106,446,100.20 and 63,797,705.20

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Solution

The fourth proportional to 70,964,066.80, 106,446,100.20 and 63,797,705.20 is: 95,696,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,964,066.80 : 106,446,100.20 = 63,797,705.20 : x
  2. Step 2: Convert to fraction form
    70,964,066.80/106,446,100.20 = 63,797,705.20/x
  3. Step 3: Cross multiply
    70,964,066.80x = 106,446,100.20 × 63,797,705.20
  4. Step 4: Simplify right side
    70,964,066.80x = 6,791,016,920,249,262
  5. Step 5: Solve for x
    x = 6,791,016,920,249,262/70,964,066.80
  6. Step 6: Final answer
    x = 95,696,557.80

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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.