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Finding the Fourth Proportional to 173,107.32, 259,694.59 and 66,483.44

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Solution

The fourth proportional to 173,107.32, 259,694.59 and 66,483.44 is: 99,738.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,107.32 : 259,694.59 = 66,483.44 : x
  2. Step 2: Convert to fraction form
    173,107.32/259,694.59 = 66,483.44/x
  3. Step 3: Cross multiply
    173,107.32x = 259,694.59 × 66,483.44
  4. Step 4: Simplify right side
    173,107.32x = 17,265,389,692.59
  5. Step 5: Solve for x
    x = 17,265,389,692.59/173,107.32
  6. Step 6: Final answer
    x = 99,738.07

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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.