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Finding the Fourth Proportional to 264,363.73, 364,822.40 and 143,505.09

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Solution

The fourth proportional to 264,363.73, 364,822.40 and 143,505.09 is: 198,037.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,363.73 : 364,822.40 = 143,505.09 : x
  2. Step 2: Convert to fraction form
    264,363.73/364,822.40 = 143,505.09/x
  3. Step 3: Cross multiply
    264,363.73x = 364,822.40 × 143,505.09
  4. Step 4: Simplify right side
    264,363.73x = 52,353,873,072.86
  5. Step 5: Solve for x
    x = 52,353,873,072.86/264,363.73
  6. Step 6: Final answer
    x = 198,037.28

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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.