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Finding the Fourth Proportional to 295,489,200.60, 443,233,800.90 and 80,078,448.60

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Solution

The fourth proportional to 295,489,200.60, 443,233,800.90 and 80,078,448.60 is: 120,117,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,489,200.60 : 443,233,800.90 = 80,078,448.60 : x
  2. Step 2: Convert to fraction form
    295,489,200.60/443,233,800.90 = 80,078,448.60/x
  3. Step 3: Cross multiply
    295,489,200.60x = 443,233,800.90 × 80,078,448.60
  4. Step 4: Simplify right side
    295,489,200.60x = 35,493,475,143,153,280
  5. Step 5: Solve for x
    x = 35,493,475,143,153,280/295,489,200.60
  6. Step 6: Final answer
    x = 120,117,672.90

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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.