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Finding the Fourth Proportional to 159,435.46, 239,138.60 and 48,627.46

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Solution

The fourth proportional to 159,435.46, 239,138.60 and 48,627.46 is: 72,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,435.46 : 239,138.60 = 48,627.46 : x
  2. Step 2: Convert to fraction form
    159,435.46/239,138.60 = 48,627.46/x
  3. Step 3: Cross multiply
    159,435.46x = 239,138.60 × 48,627.46
  4. Step 4: Simplify right side
    159,435.46x = 11,628,701,510.26
  5. Step 5: Solve for x
    x = 11,628,701,510.26/159,435.46
  6. Step 6: Final answer
    x = 72,936.73

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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.