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Finding the Fourth Proportional to 98,303.54, 135,657.25 and 54,694.41

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Solution

The fourth proportional to 98,303.54, 135,657.25 and 54,694.41 is: 75,477.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,303.54 : 135,657.25 = 54,694.41 : x
  2. Step 2: Convert to fraction form
    98,303.54/135,657.25 = 54,694.41/x
  3. Step 3: Cross multiply
    98,303.54x = 135,657.25 × 54,694.41
  4. Step 4: Simplify right side
    98,303.54x = 7,419,692,977.50
  5. Step 5: Solve for x
    x = 7,419,692,977.50/98,303.54
  6. Step 6: Final answer
    x = 75,477.37

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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.