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Finding the Fourth Proportional to 89,493.36, 134,266.68 and 36,906

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Solution

The fourth proportional to 89,493.36, 134,266.68 and 36,906 is: 55,369.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,493.36 : 134,266.68 = 36,906 : x
  2. Step 2: Convert to fraction form
    89,493.36/134,266.68 = 36,906/x
  3. Step 3: Cross multiply
    89,493.36x = 134,266.68 × 36,906
  4. Step 4: Simplify right side
    89,493.36x = 4,955,246,092.08
  5. Step 5: Solve for x
    x = 4,955,246,092.08/89,493.36
  6. Step 6: Final answer
    x = 55,369.99

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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.