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Finding the Fourth Proportional to 169,784.70, 254,676.43 and 51,455.85

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Solution

The fourth proportional to 169,784.70, 254,676.43 and 51,455.85 is: 77,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,784.70 : 254,676.43 = 51,455.85 : x
  2. Step 2: Convert to fraction form
    169,784.70/254,676.43 = 51,455.85/x
  3. Step 3: Cross multiply
    169,784.70x = 254,676.43 × 51,455.85
  4. Step 4: Simplify right side
    169,784.70x = 13,104,592,180.62
  5. Step 5: Solve for x
    x = 13,104,592,180.62/169,784.70
  6. Step 6: Final answer
    x = 77,183.59

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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.