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Finding the Fourth Proportional to 251,649.36, 377,539.38 and 93,879

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Solution

The fourth proportional to 251,649.36, 377,539.38 and 93,879 is: 140,842.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,649.36 : 377,539.38 = 93,879 : x
  2. Step 2: Convert to fraction form
    251,649.36/377,539.38 = 93,879/x
  3. Step 3: Cross multiply
    251,649.36x = 377,539.38 × 93,879
  4. Step 4: Simplify right side
    251,649.36x = 35,443,019,455.02
  5. Step 5: Solve for x
    x = 35,443,019,455.02/251,649.36
  6. Step 6: Final answer
    x = 140,842.88

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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.