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Finding the Fourth Proportional to 68,400.51, 102,611.01 and 24,019.44

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Solution

The fourth proportional to 68,400.51, 102,611.01 and 24,019.44 is: 36,032.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,400.51 : 102,611.01 = 24,019.44 : x
  2. Step 2: Convert to fraction form
    68,400.51/102,611.01 = 24,019.44/x
  3. Step 3: Cross multiply
    68,400.51x = 102,611.01 × 24,019.44
  4. Step 4: Simplify right side
    68,400.51x = 2,464,658,998.03
  5. Step 5: Solve for x
    x = 2,464,658,998.03/68,400.51
  6. Step 6: Final answer
    x = 36,032.76

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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.