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Finding the Fourth Proportional to 76,462,995.60, 114,505,536.60 and 50,764,870.80

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Solution

The fourth proportional to 76,462,995.60, 114,505,536.60 and 50,764,870.80 is: 76,021,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,462,995.60 : 114,505,536.60 = 50,764,870.80 : x
  2. Step 2: Convert to fraction form
    76,462,995.60/114,505,536.60 = 50,764,870.80/x
  3. Step 3: Cross multiply
    76,462,995.60x = 114,505,536.60 × 50,764,870.80
  4. Step 4: Simplify right side
    76,462,995.60x = 5,812,858,771,383,671
  5. Step 5: Solve for x
    x = 5,812,858,771,383,671/76,462,995.60
  6. Step 6: Final answer
    x = 76,021,855.09

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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.