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Finding the Fourth Proportional to 117,993.44, 177,144.52 and 70,049.58

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Solution

The fourth proportional to 117,993.44, 177,144.52 and 70,049.58 is: 105,166.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,993.44 : 177,144.52 = 70,049.58 : x
  2. Step 2: Convert to fraction form
    117,993.44/177,144.52 = 70,049.58/x
  3. Step 3: Cross multiply
    117,993.44x = 177,144.52 × 70,049.58
  4. Step 4: Simplify right side
    117,993.44x = 12,408,898,517.23
  5. Step 5: Solve for x
    x = 12,408,898,517.23/117,993.44
  6. Step 6: Final answer
    x = 105,166.00

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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.