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Finding the Fourth Proportional to 66,529,793.60, 99,794,690.40 and 37,764,814.40

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Solution

The fourth proportional to 66,529,793.60, 99,794,690.40 and 37,764,814.40 is: 56,647,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,529,793.60 : 99,794,690.40 = 37,764,814.40 : x
  2. Step 2: Convert to fraction form
    66,529,793.60/99,794,690.40 = 37,764,814.40/x
  3. Step 3: Cross multiply
    66,529,793.60x = 99,794,690.40 × 37,764,814.40
  4. Step 4: Simplify right side
    66,529,793.60x = 3,768,727,961,061,462
  5. Step 5: Solve for x
    x = 3,768,727,961,061,462/66,529,793.60
  6. Step 6: Final answer
    x = 56,647,221.60

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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.