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Finding the Fourth Proportional to 173,043.54, 259,573.82 and 84,372.84

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Solution

The fourth proportional to 173,043.54, 259,573.82 and 84,372.84 is: 126,563.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,043.54 : 259,573.82 = 84,372.84 : x
  2. Step 2: Convert to fraction form
    173,043.54/259,573.82 = 84,372.84/x
  3. Step 3: Cross multiply
    173,043.54x = 259,573.82 × 84,372.84
  4. Step 4: Simplify right side
    173,043.54x = 21,900,979,961.18
  5. Step 5: Solve for x
    x = 21,900,979,961.18/173,043.54
  6. Step 6: Final answer
    x = 126,563.41

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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.