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Finding the Fourth Proportional to 69,455.80, 104,232.30 and 44,556.40

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Solution

The fourth proportional to 69,455.80, 104,232.30 and 44,556.40 is: 66,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,455.80 : 104,232.30 = 44,556.40 : x
  2. Step 2: Convert to fraction form
    69,455.80/104,232.30 = 44,556.40/x
  3. Step 3: Cross multiply
    69,455.80x = 104,232.30 × 44,556.40
  4. Step 4: Simplify right side
    69,455.80x = 4,644,216,051.72
  5. Step 5: Solve for x
    x = 4,644,216,051.72/69,455.80
  6. Step 6: Final answer
    x = 66,865.78

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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.