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Finding the Fourth Proportional to 299,881.82, 449,910.03 and 141,892.94

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Solution

The fourth proportional to 299,881.82, 449,910.03 and 141,892.94 is: 212,880.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,881.82 : 449,910.03 = 141,892.94 : x
  2. Step 2: Convert to fraction form
    299,881.82/449,910.03 = 141,892.94/x
  3. Step 3: Cross multiply
    299,881.82x = 449,910.03 × 141,892.94
  4. Step 4: Simplify right side
    299,881.82x = 63,839,056,892.19
  5. Step 5: Solve for x
    x = 63,839,056,892.19/299,881.82
  6. Step 6: Final answer
    x = 212,880.72

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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.