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Finding the Fourth Proportional to 183,961.40, 275,796.30 and 100,855.40

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Solution

The fourth proportional to 183,961.40, 275,796.30 and 100,855.40 is: 151,203.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,961.40 : 275,796.30 = 100,855.40 : x
  2. Step 2: Convert to fraction form
    183,961.40/275,796.30 = 100,855.40/x
  3. Step 3: Cross multiply
    183,961.40x = 275,796.30 × 100,855.40
  4. Step 4: Simplify right side
    183,961.40x = 27,815,546,155.02
  5. Step 5: Solve for x
    x = 27,815,546,155.02/183,961.40
  6. Step 6: Final answer
    x = 151,203.17

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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.