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Finding the Fourth Proportional to 144,361.26, 199,224.72 and 80,699.04

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Solution

The fourth proportional to 144,361.26, 199,224.72 and 80,699.04 is: 111,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,361.26 : 199,224.72 = 80,699.04 : x
  2. Step 2: Convert to fraction form
    144,361.26/199,224.72 = 80,699.04/x
  3. Step 3: Cross multiply
    144,361.26x = 199,224.72 × 80,699.04
  4. Step 4: Simplify right side
    144,361.26x = 16,077,243,648.27
  5. Step 5: Solve for x
    x = 16,077,243,648.27/144,361.26
  6. Step 6: Final answer
    x = 111,368.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.