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Finding the Fourth Proportional to 133,241.89, 199,966.47 and 92,999.44

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Solution

The fourth proportional to 133,241.89, 199,966.47 and 92,999.44 is: 139,571.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,241.89 : 199,966.47 = 92,999.44 : x
  2. Step 2: Convert to fraction form
    133,241.89/199,966.47 = 92,999.44/x
  3. Step 3: Cross multiply
    133,241.89x = 199,966.47 × 92,999.44
  4. Step 4: Simplify right side
    133,241.89x = 18,596,769,728.78
  5. Step 5: Solve for x
    x = 18,596,769,728.78/133,241.89
  6. Step 6: Final answer
    x = 139,571.49

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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.