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Finding the Fourth Proportional to 173,208.60, 259,758.90 and 68,059.80

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Solution

The fourth proportional to 173,208.60, 259,758.90 and 68,059.80 is: 102,068.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,208.60 : 259,758.90 = 68,059.80 : x
  2. Step 2: Convert to fraction form
    173,208.60/259,758.90 = 68,059.80/x
  3. Step 3: Cross multiply
    173,208.60x = 259,758.90 × 68,059.80
  4. Step 4: Simplify right side
    173,208.60x = 17,679,138,782.22
  5. Step 5: Solve for x
    x = 17,679,138,782.22/173,208.60
  6. Step 6: Final answer
    x = 102,068.48

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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.