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Finding the Fourth Proportional to 198,560.88, 297,721.44 and 80,094.24

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Solution

The fourth proportional to 198,560.88, 297,721.44 and 80,094.24 is: 120,093.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,560.88 : 297,721.44 = 80,094.24 : x
  2. Step 2: Convert to fraction form
    198,560.88/297,721.44 = 80,094.24/x
  3. Step 3: Cross multiply
    198,560.88x = 297,721.44 × 80,094.24
  4. Step 4: Simplify right side
    198,560.88x = 23,845,772,468.51
  5. Step 5: Solve for x
    x = 23,845,772,468.51/198,560.88
  6. Step 6: Final answer
    x = 120,093.00

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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.