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Finding the Fourth Proportional to 111,427.68, 167,167.48 and 61,495.76

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Solution

The fourth proportional to 111,427.68, 167,167.48 and 61,495.76 is: 92,257.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,427.68 : 167,167.48 = 61,495.76 : x
  2. Step 2: Convert to fraction form
    111,427.68/167,167.48 = 61,495.76/x
  3. Step 3: Cross multiply
    111,427.68x = 167,167.48 × 61,495.76
  4. Step 4: Simplify right side
    111,427.68x = 10,280,091,229.88
  5. Step 5: Solve for x
    x = 10,280,091,229.88/111,427.68
  6. Step 6: Final answer
    x = 92,257.97

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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.