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Finding the Fourth Proportional to 201,390.20, 277,849.26 and 124,881.80

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Solution

The fourth proportional to 201,390.20, 277,849.26 and 124,881.80 is: 172,293.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,390.20 : 277,849.26 = 124,881.80 : x
  2. Step 2: Convert to fraction form
    201,390.20/277,849.26 = 124,881.80/x
  3. Step 3: Cross multiply
    201,390.20x = 277,849.26 × 124,881.80
  4. Step 4: Simplify right side
    201,390.20x = 34,698,315,717.47
  5. Step 5: Solve for x
    x = 34,698,315,717.47/201,390.20
  6. Step 6: Final answer
    x = 172,293.96

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