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Finding the Fourth Proportional to 201,222.03, 277,570.78 and 125,639.31

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Solution

The fourth proportional to 201,222.03, 277,570.78 and 125,639.31 is: 173,310.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,222.03 : 277,570.78 = 125,639.31 : x
  2. Step 2: Convert to fraction form
    201,222.03/277,570.78 = 125,639.31/x
  3. Step 3: Cross multiply
    201,222.03x = 277,570.78 × 125,639.31
  4. Step 4: Simplify right side
    201,222.03x = 34,873,802,002.15
  5. Step 5: Solve for x
    x = 34,873,802,002.15/201,222.03
  6. Step 6: Final answer
    x = 173,310.06

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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.