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Finding the Fourth Proportional to 201,366.72, 277,893.21 and 110,729.58

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Solution

The fourth proportional to 201,366.72, 277,893.21 and 110,729.58 is: 152,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,366.72 : 277,893.21 = 110,729.58 : x
  2. Step 2: Convert to fraction form
    201,366.72/277,893.21 = 110,729.58/x
  3. Step 3: Cross multiply
    201,366.72x = 277,893.21 × 110,729.58
  4. Step 4: Simplify right side
    201,366.72x = 30,770,998,428.15
  5. Step 5: Solve for x
    x = 30,770,998,428.15/201,366.72
  6. Step 6: Final answer
    x = 152,810.74

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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.