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Finding the Fourth Proportional to 109,728, 164,592 and 44,064

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Solution

The fourth proportional to 109,728, 164,592 and 44,064 is: 66,096

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,728 : 164,592 = 44,064 : x
  2. Step 2: Convert to fraction form
    109,728/164,592 = 44,064/x
  3. Step 3: Cross multiply
    109,728x = 164,592 × 44,064
  4. Step 4: Simplify right side
    109,728x = 7,252,581,888
  5. Step 5: Solve for x
    x = 7,252,581,888/109,728
  6. Step 6: Final answer
    x = 66,096

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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.