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Finding the Fourth Proportional to 201,187.54, 277,662.95 and 120,659.37

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Solution

The fourth proportional to 201,187.54, 277,662.95 and 120,659.37 is: 166,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,187.54 : 277,662.95 = 120,659.37 : x
  2. Step 2: Convert to fraction form
    201,187.54/277,662.95 = 120,659.37/x
  3. Step 3: Cross multiply
    201,187.54x = 277,662.95 × 120,659.37
  4. Step 4: Simplify right side
    201,187.54x = 33,502,634,627.73
  5. Step 5: Solve for x
    x = 33,502,634,627.73/201,187.54
  6. Step 6: Final answer
    x = 166,524.40

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Why These Related Problems?

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