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Finding the Fourth Proportional to 234,489.90, 351,729.93 and 56,997.84

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Solution

The fourth proportional to 234,489.90, 351,729.93 and 56,997.84 is: 85,495.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,489.90 : 351,729.93 = 56,997.84 : x
  2. Step 2: Convert to fraction form
    234,489.90/351,729.93 = 56,997.84/x
  3. Step 3: Cross multiply
    234,489.90x = 351,729.93 × 56,997.84
  4. Step 4: Simplify right side
    234,489.90x = 20,047,846,273.35
  5. Step 5: Solve for x
    x = 20,047,846,273.35/234,489.90
  6. Step 6: Final answer
    x = 85,495.56

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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.