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Finding the Fourth Proportional to 251,310.24, 376,965.12 and 64,321.44

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Solution

The fourth proportional to 251,310.24, 376,965.12 and 64,321.44 is: 96,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,310.24 : 376,965.12 = 64,321.44 : x
  2. Step 2: Convert to fraction form
    251,310.24/376,965.12 = 64,321.44/x
  3. Step 3: Cross multiply
    251,310.24x = 376,965.12 × 64,321.44
  4. Step 4: Simplify right side
    251,310.24x = 24,246,939,348.17
  5. Step 5: Solve for x
    x = 24,246,939,348.17/251,310.24
  6. Step 6: Final answer
    x = 96,482.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.