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Finding the Fourth Proportional to 200,377.88, 300,369.16 and 111,673.16

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Solution

The fourth proportional to 200,377.88, 300,369.16 and 111,673.16 is: 167,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,377.88 : 300,369.16 = 111,673.16 : x
  2. Step 2: Convert to fraction form
    200,377.88/300,369.16 = 111,673.16/x
  3. Step 3: Cross multiply
    200,377.88x = 300,369.16 × 111,673.16
  4. Step 4: Simplify right side
    200,377.88x = 33,543,173,263.75
  5. Step 5: Solve for x
    x = 33,543,173,263.75/200,377.88
  6. Step 6: Final answer
    x = 167,399.58

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1.5x scale

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.