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Finding the Fourth Proportional to 68,035.01, 102,023.60 and 25,891.52

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Solution

The fourth proportional to 68,035.01, 102,023.60 and 25,891.52 is: 38,826.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,035.01 : 102,023.60 = 25,891.52 : x
  2. Step 2: Convert to fraction form
    68,035.01/102,023.60 = 25,891.52/x
  3. Step 3: Cross multiply
    68,035.01x = 102,023.60 × 25,891.52
  4. Step 4: Simplify right side
    68,035.01x = 2,641,545,440.30
  5. Step 5: Solve for x
    x = 2,641,545,440.30/68,035.01
  6. Step 6: Final answer
    x = 38,826.27

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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.