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Finding the Fourth Proportional to 89,365.92, 133,997.64 and 36,732

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Solution

The fourth proportional to 89,365.92, 133,997.64 and 36,732 is: 55,076.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,365.92 : 133,997.64 = 36,732 : x
  2. Step 2: Convert to fraction form
    89,365.92/133,997.64 = 36,732/x
  3. Step 3: Cross multiply
    89,365.92x = 133,997.64 × 36,732
  4. Step 4: Simplify right side
    89,365.92x = 4,922,001,312.48
  5. Step 5: Solve for x
    x = 4,922,001,312.48/89,365.92
  6. Step 6: Final answer
    x = 55,076.94

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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.