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Finding the Fourth Proportional to 167,299.80, 250,728.18 and 122,717.80

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Solution

The fourth proportional to 167,299.80, 250,728.18 and 122,717.80 is: 183,914.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,299.80 : 250,728.18 = 122,717.80 : x
  2. Step 2: Convert to fraction form
    167,299.80/250,728.18 = 122,717.80/x
  3. Step 3: Cross multiply
    167,299.80x = 250,728.18 × 122,717.80
  4. Step 4: Simplify right side
    167,299.80x = 30,768,810,647.60
  5. Step 5: Solve for x
    x = 30,768,810,647.60/167,299.80
  6. Step 6: Final answer
    x = 183,914.21

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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.