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Finding the Fourth Proportional to 69,468.48, 104,201.28 and 44,520.64

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Solution

The fourth proportional to 69,468.48, 104,201.28 and 44,520.64 is: 66,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,468.48 : 104,201.28 = 44,520.64 : x
  2. Step 2: Convert to fraction form
    69,468.48/104,201.28 = 44,520.64/x
  3. Step 3: Cross multiply
    69,468.48x = 104,201.28 × 44,520.64
  4. Step 4: Simplify right side
    69,468.48x = 4,639,107,674.42
  5. Step 5: Solve for x
    x = 4,639,107,674.42/69,468.48
  6. Step 6: Final answer
    x = 66,780.04

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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.