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Finding the Fourth Proportional to 200,371.88, 300,360.18 and 111,667.16

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Solution

The fourth proportional to 200,371.88, 300,360.18 and 111,667.16 is: 167,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,371.88 : 300,360.18 = 111,667.16 : x
  2. Step 2: Convert to fraction form
    200,371.88/300,360.18 = 111,667.16/x
  3. Step 3: Cross multiply
    200,371.88x = 300,360.18 × 111,667.16
  4. Step 4: Simplify right side
    200,371.88x = 33,540,368,277.69
  5. Step 5: Solve for x
    x = 33,540,368,277.69/200,371.88
  6. Step 6: Final answer
    x = 167,390.60

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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.