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Finding the Fourth Proportional to 104,713.94, 144,440.44 and 91,317.36

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Solution

The fourth proportional to 104,713.94, 144,440.44 and 91,317.36 is: 125,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,713.94 : 144,440.44 = 91,317.36 : x
  2. Step 2: Convert to fraction form
    104,713.94/144,440.44 = 91,317.36/x
  3. Step 3: Cross multiply
    104,713.94x = 144,440.44 × 91,317.36
  4. Step 4: Simplify right side
    104,713.94x = 13,189,919,658.04
  5. Step 5: Solve for x
    x = 13,189,919,658.04/104,713.94
  6. Step 6: Final answer
    x = 125,961.45

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