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Finding the Fourth Proportional to 69,859, 96,405.42 and 44,710.12

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Solution

The fourth proportional to 69,859, 96,405.42 and 44,710.12 is: 61,699.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,859 : 96,405.42 = 44,710.12 : x
  2. Step 2: Convert to fraction form
    69,859/96,405.42 = 44,710.12/x
  3. Step 3: Cross multiply
    69,859x = 96,405.42 × 44,710.12
  4. Step 4: Simplify right side
    69,859x = 4,310,297,896.85
  5. Step 5: Solve for x
    x = 4,310,297,896.85/69,859
  6. Step 6: Final answer
    x = 61,699.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.