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Finding the Fourth Proportional to 69,219.64, 103,662.96 and 46,965.70

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Solution

The fourth proportional to 69,219.64, 103,662.96 and 46,965.70 is: 70,335.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,219.64 : 103,662.96 = 46,965.70 : x
  2. Step 2: Convert to fraction form
    69,219.64/103,662.96 = 46,965.70/x
  3. Step 3: Cross multiply
    69,219.64x = 103,662.96 × 46,965.70
  4. Step 4: Simplify right side
    69,219.64x = 4,868,603,480.47
  5. Step 5: Solve for x
    x = 4,868,603,480.47/69,219.64
  6. Step 6: Final answer
    x = 70,335.58

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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.