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Finding the Fourth Proportional to 69,662.54, 104,479.83 and 34,108.53

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Solution

The fourth proportional to 69,662.54, 104,479.83 and 34,108.53 is: 51,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,662.54 : 104,479.83 = 34,108.53 : x
  2. Step 2: Convert to fraction form
    69,662.54/104,479.83 = 34,108.53/x
  3. Step 3: Cross multiply
    69,662.54x = 104,479.83 × 34,108.53
  4. Step 4: Simplify right side
    69,662.54x = 3,563,653,415.95
  5. Step 5: Solve for x
    x = 3,563,653,415.95/69,662.54
  6. Step 6: Final answer
    x = 51,155.95

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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.