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Finding the Fourth Proportional to 201,367.70, 277,888.46 and 110,729.54

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Solution

The fourth proportional to 201,367.70, 277,888.46 and 110,729.54 is: 152,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,367.70 : 277,888.46 = 110,729.54 : x
  2. Step 2: Convert to fraction form
    201,367.70/277,888.46 = 110,729.54/x
  3. Step 3: Cross multiply
    201,367.70x = 277,888.46 × 110,729.54
  4. Step 4: Simplify right side
    201,367.70x = 30,770,459,404.02
  5. Step 5: Solve for x
    x = 30,770,459,404.02/201,367.70
  6. Step 6: Final answer
    x = 152,807.33

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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.