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Finding the Fourth Proportional to 98,366.94, 135,741.56 and 55,924.56

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Solution

The fourth proportional to 98,366.94, 135,741.56 and 55,924.56 is: 77,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,366.94 : 135,741.56 = 55,924.56 : x
  2. Step 2: Convert to fraction form
    98,366.94/135,741.56 = 55,924.56/x
  3. Step 3: Cross multiply
    98,366.94x = 135,741.56 × 55,924.56
  4. Step 4: Simplify right side
    98,366.94x = 7,591,287,016.71
  5. Step 5: Solve for x
    x = 7,591,287,016.71/98,366.94
  6. Step 6: Final answer
    x = 77,173.15

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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.