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Finding the Fourth Proportional to 173,694.50, 239,698.41 and 98,241.38

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Solution

The fourth proportional to 173,694.50, 239,698.41 and 98,241.38 is: 135,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,694.50 : 239,698.41 = 98,241.38 : x
  2. Step 2: Convert to fraction form
    173,694.50/239,698.41 = 98,241.38/x
  3. Step 3: Cross multiply
    173,694.50x = 239,698.41 × 98,241.38
  4. Step 4: Simplify right side
    173,694.50x = 23,548,302,582.21
  5. Step 5: Solve for x
    x = 23,548,302,582.21/173,694.50
  6. Step 6: Final answer
    x = 135,573.10

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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.