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Finding the Fourth Proportional to 175,758.78, 263,683.08 and 51,099.78

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Solution

The fourth proportional to 175,758.78, 263,683.08 and 51,099.78 is: 76,662.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,758.78 : 263,683.08 = 51,099.78 : x
  2. Step 2: Convert to fraction form
    175,758.78/263,683.08 = 51,099.78/x
  3. Step 3: Cross multiply
    175,758.78x = 263,683.08 × 51,099.78
  4. Step 4: Simplify right side
    175,758.78x = 13,474,147,377.72
  5. Step 5: Solve for x
    x = 13,474,147,377.72/175,758.78
  6. Step 6: Final answer
    x = 76,662.73

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1.5x scale

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.