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Finding the Fourth Proportional to 201,091, 277,505.58 and 111,667

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Solution

The fourth proportional to 201,091, 277,505.58 and 111,667 is: 154,100.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,091 : 277,505.58 = 111,667 : x
  2. Step 2: Convert to fraction form
    201,091/277,505.58 = 111,667/x
  3. Step 3: Cross multiply
    201,091x = 277,505.58 × 111,667
  4. Step 4: Simplify right side
    201,091x = 30,988,215,601.86
  5. Step 5: Solve for x
    x = 30,988,215,601.86/201,091
  6. Step 6: Final answer
    x = 154,100.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.