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Finding the Fourth Proportional to 251,995.25, 377,985.96 and 109,840.44

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Solution

The fourth proportional to 251,995.25, 377,985.96 and 109,840.44 is: 164,757.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,995.25 : 377,985.96 = 109,840.44 : x
  2. Step 2: Convert to fraction form
    251,995.25/377,985.96 = 109,840.44/x
  3. Step 3: Cross multiply
    251,995.25x = 377,985.96 × 109,840.44
  4. Step 4: Simplify right side
    251,995.25x = 41,518,144,160.22
  5. Step 5: Solve for x
    x = 41,518,144,160.22/251,995.25
  6. Step 6: Final answer
    x = 164,757.65

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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.