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Finding the Fourth Proportional to 251,203.20, 376,761.60 and 93,350.40

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Solution

The fourth proportional to 251,203.20, 376,761.60 and 93,350.40 is: 140,009.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,203.20 : 376,761.60 = 93,350.40 : x
  2. Step 2: Convert to fraction form
    251,203.20/376,761.60 = 93,350.40/x
  3. Step 3: Cross multiply
    251,203.20x = 376,761.60 × 93,350.40
  4. Step 4: Simplify right side
    251,203.20x = 35,170,846,064.64
  5. Step 5: Solve for x
    x = 35,170,846,064.64/251,203.20
  6. Step 6: Final answer
    x = 140,009.55

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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.