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Finding the Fourth Proportional to 115,324.40, 173,375.40 and 98,217.20

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Solution

The fourth proportional to 115,324.40, 173,375.40 and 98,217.20 is: 147,656.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,324.40 : 173,375.40 = 98,217.20 : x
  2. Step 2: Convert to fraction form
    115,324.40/173,375.40 = 98,217.20/x
  3. Step 3: Cross multiply
    115,324.40x = 173,375.40 × 98,217.20
  4. Step 4: Simplify right side
    115,324.40x = 17,028,446,336.88
  5. Step 5: Solve for x
    x = 17,028,446,336.88/115,324.40
  6. Step 6: Final answer
    x = 147,656.93

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