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Finding the Fourth Proportional to 123,694.36, 185,541.95 and 52,606.87

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Solution

The fourth proportional to 123,694.36, 185,541.95 and 52,606.87 is: 78,910.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,694.36 : 185,541.95 = 52,606.87 : x
  2. Step 2: Convert to fraction form
    123,694.36/185,541.95 = 52,606.87/x
  3. Step 3: Cross multiply
    123,694.36x = 185,541.95 × 52,606.87
  4. Step 4: Simplify right side
    123,694.36x = 9,760,781,243.20
  5. Step 5: Solve for x
    x = 9,760,781,243.20/123,694.36
  6. Step 6: Final answer
    x = 78,910.48

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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.