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Finding the Fourth Proportional to 69,568.72, 104,273.08 and 30,086.16

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Solution

The fourth proportional to 69,568.72, 104,273.08 and 30,086.16 is: 45,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,568.72 : 104,273.08 = 30,086.16 : x
  2. Step 2: Convert to fraction form
    69,568.72/104,273.08 = 30,086.16/x
  3. Step 3: Cross multiply
    69,568.72x = 104,273.08 × 30,086.16
  4. Step 4: Simplify right side
    69,568.72x = 3,137,176,568.57
  5. Step 5: Solve for x
    x = 3,137,176,568.57/69,568.72
  6. Step 6: Final answer
    x = 45,094.64

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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.