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Finding the Fourth Proportional to 248,916.70, 373,375.05 and 82,704.70

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Solution

The fourth proportional to 248,916.70, 373,375.05 and 82,704.70 is: 124,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,916.70 : 373,375.05 = 82,704.70 : x
  2. Step 2: Convert to fraction form
    248,916.70/373,375.05 = 82,704.70/x
  3. Step 3: Cross multiply
    248,916.70x = 373,375.05 × 82,704.70
  4. Step 4: Simplify right side
    248,916.70x = 30,879,871,497.74
  5. Step 5: Solve for x
    x = 30,879,871,497.74/248,916.70
  6. Step 6: Final answer
    x = 124,057.05

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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.