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Finding the Fourth Proportional to 295,489,839.60, 443,234,759.40 and 80,079,087.60

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Solution

The fourth proportional to 295,489,839.60, 443,234,759.40 and 80,079,087.60 is: 120,118,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,489,839.60 : 443,234,759.40 = 80,079,087.60 : x
  2. Step 2: Convert to fraction form
    295,489,839.60/443,234,759.40 = 80,079,087.60/x
  3. Step 3: Cross multiply
    295,489,839.60x = 443,234,759.40 × 80,079,087.60
  4. Step 4: Simplify right side
    295,489,839.60x = 35,493,835,125,357,520
  5. Step 5: Solve for x
    x = 35,493,835,125,357,520/295,489,839.60
  6. Step 6: Final answer
    x = 120,118,631.40

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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.