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Finding the Fourth Proportional to 251,183.89, 376,788.15 and 101,405.50

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Solution

The fourth proportional to 251,183.89, 376,788.15 and 101,405.50 is: 152,113.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,183.89 : 376,788.15 = 101,405.50 : x
  2. Step 2: Convert to fraction form
    251,183.89/376,788.15 = 101,405.50/x
  3. Step 3: Cross multiply
    251,183.89x = 376,788.15 × 101,405.50
  4. Step 4: Simplify right side
    251,183.89x = 38,208,389,422.58
  5. Step 5: Solve for x
    x = 38,208,389,422.58/251,183.89
  6. Step 6: Final answer
    x = 152,113.22

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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.