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Finding the Fourth Proportional to 159,222.64, 238,825.32 and 48,406

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Solution

The fourth proportional to 159,222.64, 238,825.32 and 48,406 is: 72,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,222.64 : 238,825.32 = 48,406 : x
  2. Step 2: Convert to fraction form
    159,222.64/238,825.32 = 48,406/x
  3. Step 3: Cross multiply
    159,222.64x = 238,825.32 × 48,406
  4. Step 4: Simplify right side
    159,222.64x = 11,560,578,439.92
  5. Step 5: Solve for x
    x = 11,560,578,439.92/159,222.64
  6. Step 6: Final answer
    x = 72,606.37

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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.