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Finding the Fourth Proportional to 201,050.55, 277,215.36 and 149,974.61

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Solution

The fourth proportional to 201,050.55, 277,215.36 and 149,974.61 is: 206,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,050.55 : 277,215.36 = 149,974.61 : x
  2. Step 2: Convert to fraction form
    201,050.55/277,215.36 = 149,974.61/x
  3. Step 3: Cross multiply
    201,050.55x = 277,215.36 × 149,974.61
  4. Step 4: Simplify right side
    201,050.55x = 41,575,264,752.14
  5. Step 5: Solve for x
    x = 41,575,264,752.14/201,050.55
  6. Step 6: Final answer
    x = 206,790.11

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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.