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Finding the Fourth Proportional to 178,662.28, 246,557.03 and 98,093.20

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Solution

The fourth proportional to 178,662.28, 246,557.03 and 98,093.20 is: 135,370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,662.28 : 246,557.03 = 98,093.20 : x
  2. Step 2: Convert to fraction form
    178,662.28/246,557.03 = 98,093.20/x
  3. Step 3: Cross multiply
    178,662.28x = 246,557.03 × 98,093.20
  4. Step 4: Simplify right side
    178,662.28x = 24,185,568,055.20
  5. Step 5: Solve for x
    x = 24,185,568,055.20/178,662.28
  6. Step 6: Final answer
    x = 135,370.31

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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.