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Finding the Fourth Proportional to 69,068.64, 103,797.96 and 40,993.94

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Solution

The fourth proportional to 69,068.64, 103,797.96 and 40,993.94 is: 61,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,068.64 : 103,797.96 = 40,993.94 : x
  2. Step 2: Convert to fraction form
    69,068.64/103,797.96 = 40,993.94/x
  3. Step 3: Cross multiply
    69,068.64x = 103,797.96 × 40,993.94
  4. Step 4: Simplify right side
    69,068.64x = 4,255,087,344.36
  5. Step 5: Solve for x
    x = 4,255,087,344.36/69,068.64
  6. Step 6: Final answer
    x = 61,606.65

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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.