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Finding the Fourth Proportional to 116,165.52, 173,808.09 and 68,806.02

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Solution

The fourth proportional to 116,165.52, 173,808.09 and 68,806.02 is: 102,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,165.52 : 173,808.09 = 68,806.02 : x
  2. Step 2: Convert to fraction form
    116,165.52/173,808.09 = 68,806.02/x
  3. Step 3: Cross multiply
    116,165.52x = 173,808.09 × 68,806.02
  4. Step 4: Simplify right side
    116,165.52x = 11,959,042,916.70
  5. Step 5: Solve for x
    x = 11,959,042,916.70/116,165.52
  6. Step 6: Final answer
    x = 102,948.30

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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.