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Finding the Fourth Proportional to 171,179.35, 256,676.07 and 51,219.67

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Solution

The fourth proportional to 171,179.35, 256,676.07 and 51,219.67 is: 76,801.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,179.35 : 256,676.07 = 51,219.67 : x
  2. Step 2: Convert to fraction form
    171,179.35/256,676.07 = 51,219.67/x
  3. Step 3: Cross multiply
    171,179.35x = 256,676.07 × 51,219.67
  4. Step 4: Simplify right side
    171,179.35x = 13,146,862,479.88
  5. Step 5: Solve for x
    x = 13,146,862,479.88/171,179.35
  6. Step 6: Final answer
    x = 76,801.68

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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.