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Finding the Fourth Proportional to 143,322.66, 197,873.82 and 92,353.44

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Solution

The fourth proportional to 143,322.66, 197,873.82 and 92,353.44 is: 127,504.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,322.66 : 197,873.82 = 92,353.44 : x
  2. Step 2: Convert to fraction form
    143,322.66/197,873.82 = 92,353.44/x
  3. Step 3: Cross multiply
    143,322.66x = 197,873.82 × 92,353.44
  4. Step 4: Simplify right side
    143,322.66x = 18,274,327,962.94
  5. Step 5: Solve for x
    x = 18,274,327,962.94/143,322.66
  6. Step 6: Final answer
    x = 127,504.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.