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Finding the Fourth Proportional to 43,115,770.60, 64,673,655.90 and 43,115,770.60

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Solution

The fourth proportional to 43,115,770.60, 64,673,655.90 and 43,115,770.60 is: 64,673,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,115,770.60 : 64,673,655.90 = 43,115,770.60 : x
  2. Step 2: Convert to fraction form
    43,115,770.60/64,673,655.90 = 43,115,770.60/x
  3. Step 3: Cross multiply
    43,115,770.60x = 64,673,655.90 × 43,115,770.60
  4. Step 4: Simplify right side
    43,115,770.60x = 2,788,454,511,647,736.50
  5. Step 5: Solve for x
    x = 2,788,454,511,647,736.50/43,115,770.60
  6. Step 6: Final answer
    x = 64,673,655.90

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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.