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Finding the Fourth Proportional to 244,283,878.40, 366,478,961.70 and 80,493,762.20

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Solution

The fourth proportional to 244,283,878.40, 366,478,961.70 and 80,493,762.20 is: 120,758,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,283,878.40 : 366,478,961.70 = 80,493,762.20 : x
  2. Step 2: Convert to fraction form
    244,283,878.40/366,478,961.70 = 80,493,762.20/x
  3. Step 3: Cross multiply
    244,283,878.40x = 366,478,961.70 × 80,493,762.20
  4. Step 4: Simplify right side
    244,283,878.40x = 29,499,270,394,382,708
  5. Step 5: Solve for x
    x = 29,499,270,394,382,708/244,283,878.40
  6. Step 6: Final answer
    x = 120,758,154.76

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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.