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Finding the Fourth Proportional to 111,334.80, 167,002.20 and 104,773.80

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Solution

The fourth proportional to 111,334.80, 167,002.20 and 104,773.80 is: 157,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,334.80 : 167,002.20 = 104,773.80 : x
  2. Step 2: Convert to fraction form
    111,334.80/167,002.20 = 104,773.80/x
  3. Step 3: Cross multiply
    111,334.80x = 167,002.20 × 104,773.80
  4. Step 4: Simplify right side
    111,334.80x = 17,497,455,102.36
  5. Step 5: Solve for x
    x = 17,497,455,102.36/111,334.80
  6. Step 6: Final answer
    x = 157,160.70

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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.