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Finding the Fourth Proportional to 199,439.46, 299,118.95 and 73,036.56

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Solution

The fourth proportional to 199,439.46, 299,118.95 and 73,036.56 is: 109,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,439.46 : 299,118.95 = 73,036.56 : x
  2. Step 2: Convert to fraction form
    199,439.46/299,118.95 = 73,036.56/x
  3. Step 3: Cross multiply
    199,439.46x = 299,118.95 × 73,036.56
  4. Step 4: Simplify right side
    199,439.46x = 21,846,617,643.22
  5. Step 5: Solve for x
    x = 21,846,617,643.22/199,439.46
  6. Step 6: Final answer
    x = 109,540.10

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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.