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Finding the Fourth Proportional to 173,071.80, 259,642.80 and 98,227.80

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Solution

The fourth proportional to 173,071.80, 259,642.80 and 98,227.80 is: 147,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,071.80 : 259,642.80 = 98,227.80 : x
  2. Step 2: Convert to fraction form
    173,071.80/259,642.80 = 98,227.80/x
  3. Step 3: Cross multiply
    173,071.80x = 259,642.80 × 98,227.80
  4. Step 4: Simplify right side
    173,071.80x = 25,504,141,029.84
  5. Step 5: Solve for x
    x = 25,504,141,029.84/173,071.80
  6. Step 6: Final answer
    x = 147,361.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.