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Finding the Fourth Proportional to 159,759.36, 239,662.08 and 48,960

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Solution

The fourth proportional to 159,759.36, 239,662.08 and 48,960 is: 73,447.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,759.36 : 239,662.08 = 48,960 : x
  2. Step 2: Convert to fraction form
    159,759.36/239,662.08 = 48,960/x
  3. Step 3: Cross multiply
    159,759.36x = 239,662.08 × 48,960
  4. Step 4: Simplify right side
    159,759.36x = 11,733,855,436.80
  5. Step 5: Solve for x
    x = 11,733,855,436.80/159,759.36
  6. Step 6: Final answer
    x = 73,447.06

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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.