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Finding the Fourth Proportional to 299,140.56, 448,905.24 and 158,997.60

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Solution

The fourth proportional to 299,140.56, 448,905.24 and 158,997.60 is: 238,599.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,140.56 : 448,905.24 = 158,997.60 : x
  2. Step 2: Convert to fraction form
    299,140.56/448,905.24 = 158,997.60/x
  3. Step 3: Cross multiply
    299,140.56x = 448,905.24 × 158,997.60
  4. Step 4: Simplify right side
    299,140.56x = 71,374,855,787.42
  5. Step 5: Solve for x
    x = 71,374,855,787.42/299,140.56
  6. Step 6: Final answer
    x = 238,599.73

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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.