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Finding the Fourth Proportional to 201,114.28, 301,667.50 and 81,168.04

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Solution

The fourth proportional to 201,114.28, 301,667.50 and 81,168.04 is: 121,750.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,114.28 : 301,667.50 = 81,168.04 : x
  2. Step 2: Convert to fraction form
    201,114.28/301,667.50 = 81,168.04/x
  3. Step 3: Cross multiply
    201,114.28x = 301,667.50 × 81,168.04
  4. Step 4: Simplify right side
    201,114.28x = 24,485,759,706.70
  5. Step 5: Solve for x
    x = 24,485,759,706.70/201,114.28
  6. Step 6: Final answer
    x = 121,750.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.