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Finding the Fourth Proportional to 251,240.20, 376,745.10 and 110,926.60

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Solution

The fourth proportional to 251,240.20, 376,745.10 and 110,926.60 is: 166,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,240.20 : 376,745.10 = 110,926.60 : x
  2. Step 2: Convert to fraction form
    251,240.20/376,745.10 = 110,926.60/x
  3. Step 3: Cross multiply
    251,240.20x = 376,745.10 × 110,926.60
  4. Step 4: Simplify right side
    251,240.20x = 41,791,053,009.66
  5. Step 5: Solve for x
    x = 41,791,053,009.66/251,240.20
  6. Step 6: Final answer
    x = 166,339.04

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1.5x scale

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.