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Finding the Fourth Proportional to 133,961.10, 201,172.05 and 94,793.10

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Solution

The fourth proportional to 133,961.10, 201,172.05 and 94,793.10 is: 142,352.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,961.10 : 201,172.05 = 94,793.10 : x
  2. Step 2: Convert to fraction form
    133,961.10/201,172.05 = 94,793.10/x
  3. Step 3: Cross multiply
    133,961.10x = 201,172.05 × 94,793.10
  4. Step 4: Simplify right side
    133,961.10x = 19,069,722,252.86
  5. Step 5: Solve for x
    x = 19,069,722,252.86/133,961.10
  6. Step 6: Final answer
    x = 142,352.68

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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.