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Finding the Fourth Proportional to 251,188.49, 376,786.27 and 73,699.16

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Solution

The fourth proportional to 251,188.49, 376,786.27 and 73,699.16 is: 110,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,188.49 : 376,786.27 = 73,699.16 : x
  2. Step 2: Convert to fraction form
    251,188.49/376,786.27 = 73,699.16/x
  3. Step 3: Cross multiply
    251,188.49x = 376,786.27 × 73,699.16
  4. Step 4: Simplify right side
    251,188.49x = 27,768,831,219.67
  5. Step 5: Solve for x
    x = 27,768,831,219.67/251,188.49
  6. Step 6: Final answer
    x = 110,549.78

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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.