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Finding the Fourth Proportional to 199,274.11, 299,086.62 and 104,571.93

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Solution

The fourth proportional to 199,274.11, 299,086.62 and 104,571.93 is: 156,949.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,274.11 : 299,086.62 = 104,571.93 : x
  2. Step 2: Convert to fraction form
    199,274.11/299,086.62 = 104,571.93/x
  3. Step 3: Cross multiply
    199,274.11x = 299,086.62 × 104,571.93
  4. Step 4: Simplify right side
    199,274.11x = 31,276,065,090.58
  5. Step 5: Solve for x
    x = 31,276,065,090.58/199,274.11
  6. Step 6: Final answer
    x = 156,949.97

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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.