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Finding the Fourth Proportional to 203,851,372.80, 286,198,137.60 and 203,851,372.80

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Solution

The fourth proportional to 203,851,372.80, 286,198,137.60 and 203,851,372.80 is: 286,198,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,851,372.80 : 286,198,137.60 = 203,851,372.80 : x
  2. Step 2: Convert to fraction form
    203,851,372.80/286,198,137.60 = 203,851,372.80/x
  3. Step 3: Cross multiply
    203,851,372.80x = 286,198,137.60 × 203,851,372.80
  4. Step 4: Simplify right side
    203,851,372.80x = 58,341,883,242,563,304
  5. Step 5: Solve for x
    x = 58,341,883,242,563,304/203,851,372.80
  6. Step 6: Final answer
    x = 286,198,137.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.