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Finding the Fourth Proportional to 159,888, 239,832 and 43,152

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Solution

The fourth proportional to 159,888, 239,832 and 43,152 is: 64,728

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,888 : 239,832 = 43,152 : x
  2. Step 2: Convert to fraction form
    159,888/239,832 = 43,152/x
  3. Step 3: Cross multiply
    159,888x = 239,832 × 43,152
  4. Step 4: Simplify right side
    159,888x = 10,349,230,464
  5. Step 5: Solve for x
    x = 10,349,230,464/159,888
  6. Step 6: Final answer
    x = 64,728

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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.