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Finding the Fourth Proportional to 266,873.80, 368,196.42 and 153,694.12

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Solution

The fourth proportional to 266,873.80, 368,196.42 and 153,694.12 is: 212,046.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,873.80 : 368,196.42 = 153,694.12 : x
  2. Step 2: Convert to fraction form
    266,873.80/368,196.42 = 153,694.12/x
  3. Step 3: Cross multiply
    266,873.80x = 368,196.42 × 153,694.12
  4. Step 4: Simplify right side
    266,873.80x = 56,589,624,759.05
  5. Step 5: Solve for x
    x = 56,589,624,759.05/266,873.80
  6. Step 6: Final answer
    x = 212,046.39

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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.