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Finding the Fourth Proportional to 35,491,230.80, 48,978,046.12 and 19,193,706.80

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Solution

The fourth proportional to 35,491,230.80, 48,978,046.12 and 19,193,706.80 is: 26,487,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,491,230.80 : 48,978,046.12 = 19,193,706.80 : x
  2. Step 2: Convert to fraction form
    35,491,230.80/48,978,046.12 = 19,193,706.80/x
  3. Step 3: Cross multiply
    35,491,230.80x = 48,978,046.12 × 19,193,706.80
  4. Step 4: Simplify right side
    35,491,230.80x = 940,070,256,864,157.62
  5. Step 5: Solve for x
    x = 940,070,256,864,157.62/35,491,230.80
  6. Step 6: Final answer
    x = 26,487,395.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.