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Finding the Fourth Proportional to 127,404.90, 191,128.07 and 47,443.16

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Solution

The fourth proportional to 127,404.90, 191,128.07 and 47,443.16 is: 71,172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,404.90 : 191,128.07 = 47,443.16 : x
  2. Step 2: Convert to fraction form
    127,404.90/191,128.07 = 47,443.16/x
  3. Step 3: Cross multiply
    127,404.90x = 191,128.07 × 47,443.16
  4. Step 4: Simplify right side
    127,404.90x = 9,067,720,201.93
  5. Step 5: Solve for x
    x = 9,067,720,201.93/127,404.90
  6. Step 6: Final answer
    x = 71,172.46

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