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Finding the Fourth Proportional to 69,894.70, 104,766.64 and 34,314.64

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Solution

The fourth proportional to 69,894.70, 104,766.64 and 34,314.64 is: 51,434.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,894.70 : 104,766.64 = 34,314.64 : x
  2. Step 2: Convert to fraction form
    69,894.70/104,766.64 = 34,314.64/x
  3. Step 3: Cross multiply
    69,894.70x = 104,766.64 × 34,314.64
  4. Step 4: Simplify right side
    69,894.70x = 3,595,029,284.42
  5. Step 5: Solve for x
    x = 3,595,029,284.42/69,894.70
  6. Step 6: Final answer
    x = 51,434.94

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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.