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Finding the Fourth Proportional to 69,568.61, 104,260.64 and 36,316.64

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Solution

The fourth proportional to 69,568.61, 104,260.64 and 36,316.64 is: 54,426.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,568.61 : 104,260.64 = 36,316.64 : x
  2. Step 2: Convert to fraction form
    69,568.61/104,260.64 = 36,316.64/x
  3. Step 3: Cross multiply
    69,568.61x = 104,260.64 × 36,316.64
  4. Step 4: Simplify right side
    69,568.61x = 3,786,395,698.54
  5. Step 5: Solve for x
    x = 3,786,395,698.54/69,568.61
  6. Step 6: Final answer
    x = 54,426.79

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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.