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Finding the Fourth Proportional to 264,339.67, 364,789.10 and 143,480.98

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Solution

The fourth proportional to 264,339.67, 364,789.10 and 143,480.98 is: 198,003.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,339.67 : 364,789.10 = 143,480.98 : x
  2. Step 2: Convert to fraction form
    264,339.67/364,789.10 = 143,480.98/x
  3. Step 3: Cross multiply
    264,339.67x = 364,789.10 × 143,480.98
  4. Step 4: Simplify right side
    264,339.67x = 52,340,297,561.32
  5. Step 5: Solve for x
    x = 52,340,297,561.32/264,339.67
  6. Step 6: Final answer
    x = 198,003.95

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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.