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Finding the Fourth Proportional to 117,995.99, 176,990.72 and 29,247.53

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Solution

The fourth proportional to 117,995.99, 176,990.72 and 29,247.53 is: 43,870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,995.99 : 176,990.72 = 29,247.53 : x
  2. Step 2: Convert to fraction form
    117,995.99/176,990.72 = 29,247.53/x
  3. Step 3: Cross multiply
    117,995.99x = 176,990.72 × 29,247.53
  4. Step 4: Simplify right side
    117,995.99x = 5,176,540,361.73
  5. Step 5: Solve for x
    x = 5,176,540,361.73/117,995.99
  6. Step 6: Final answer
    x = 43,870.48

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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.