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Finding the Fourth Proportional to 68,103.96, 102,240.99 and 46,015.26

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Solution

The fourth proportional to 68,103.96, 102,240.99 and 46,015.26 is: 69,080.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,103.96 : 102,240.99 = 46,015.26 : x
  2. Step 2: Convert to fraction form
    68,103.96/102,240.99 = 46,015.26/x
  3. Step 3: Cross multiply
    68,103.96x = 102,240.99 × 46,015.26
  4. Step 4: Simplify right side
    68,103.96x = 4,704,645,737.51
  5. Step 5: Solve for x
    x = 4,704,645,737.51/68,103.96
  6. Step 6: Final answer
    x = 69,080.36

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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.