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Finding the Fourth Proportional to 299,556.98, 449,184.99 and 99,807.38

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Solution

The fourth proportional to 299,556.98, 449,184.99 and 99,807.38 is: 149,660.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,556.98 : 449,184.99 = 99,807.38 : x
  2. Step 2: Convert to fraction form
    299,556.98/449,184.99 = 99,807.38/x
  3. Step 3: Cross multiply
    299,556.98x = 449,184.99 × 99,807.38
  4. Step 4: Simplify right side
    299,556.98x = 44,831,976,987.23
  5. Step 5: Solve for x
    x = 44,831,976,987.23/299,556.98
  6. Step 6: Final answer
    x = 149,660.93

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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.