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Finding the Fourth Proportional to 68,301.39, 102,297.36 and 36,656.31

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Solution

The fourth proportional to 68,301.39, 102,297.36 and 36,656.31 is: 54,901.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,301.39 : 102,297.36 = 36,656.31 : x
  2. Step 2: Convert to fraction form
    68,301.39/102,297.36 = 36,656.31/x
  3. Step 3: Cross multiply
    68,301.39x = 102,297.36 × 36,656.31
  4. Step 4: Simplify right side
    68,301.39x = 3,749,843,740.34
  5. Step 5: Solve for x
    x = 3,749,843,740.34/68,301.39
  6. Step 6: Final answer
    x = 54,901.43

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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.