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Finding the Fourth Proportional to 98,194, 135,507.99 and 55,759.18

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Solution

The fourth proportional to 98,194, 135,507.99 and 55,759.18 is: 76,947.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,194 : 135,507.99 = 55,759.18 : x
  2. Step 2: Convert to fraction form
    98,194/135,507.99 = 55,759.18/x
  3. Step 3: Cross multiply
    98,194x = 135,507.99 × 55,759.18
  4. Step 4: Simplify right side
    98,194x = 7,555,814,405.85
  5. Step 5: Solve for x
    x = 7,555,814,405.85/98,194
  6. Step 6: Final answer
    x = 76,947.82

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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.