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Finding the Fourth Proportional to 69,425.53, 104,138.30 and 16,835.00

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Solution

The fourth proportional to 69,425.53, 104,138.30 and 16,835.00 is: 25,252.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,425.53 : 104,138.30 = 16,835.00 : x
  2. Step 2: Convert to fraction form
    69,425.53/104,138.30 = 16,835.00/x
  3. Step 3: Cross multiply
    69,425.53x = 104,138.30 × 16,835.00
  4. Step 4: Simplify right side
    69,425.53x = 1,753,167,801.90
  5. Step 5: Solve for x
    x = 1,753,167,801.90/69,425.53
  6. Step 6: Final answer
    x = 25,252.50

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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.