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Finding the Fourth Proportional to 69,810.85, 104,716.28 and 69,810.85

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Solution

The fourth proportional to 69,810.85, 104,716.28 and 69,810.85 is: 104,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,810.85 : 104,716.28 = 69,810.85 : x
  2. Step 2: Convert to fraction form
    69,810.85/104,716.28 = 69,810.85/x
  3. Step 3: Cross multiply
    69,810.85x = 104,716.28 × 69,810.85
  4. Step 4: Simplify right side
    69,810.85x = 7,310,332,166.58
  5. Step 5: Solve for x
    x = 7,310,332,166.58/69,810.85
  6. Step 6: Final answer
    x = 104,716.28

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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.