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Finding the Fourth Proportional to 299,864.70, 449,847.45 and 89,523.90

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Solution

The fourth proportional to 299,864.70, 449,847.45 and 89,523.90 is: 134,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,864.70 : 449,847.45 = 89,523.90 : x
  2. Step 2: Convert to fraction form
    299,864.70/449,847.45 = 89,523.90/x
  3. Step 3: Cross multiply
    299,864.70x = 449,847.45 × 89,523.90
  4. Step 4: Simplify right side
    299,864.70x = 40,272,098,129.06
  5. Step 5: Solve for x
    x = 40,272,098,129.06/299,864.70
  6. Step 6: Final answer
    x = 134,300.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.