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Finding the Fourth Proportional to 91,388.15, 126,147.41 and 62,802.47

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Solution

The fourth proportional to 91,388.15, 126,147.41 and 62,802.47 is: 86,689.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,388.15 : 126,147.41 = 62,802.47 : x
  2. Step 2: Convert to fraction form
    91,388.15/126,147.41 = 62,802.47/x
  3. Step 3: Cross multiply
    91,388.15x = 126,147.41 × 62,802.47
  4. Step 4: Simplify right side
    91,388.15x = 7,922,367,987.35
  5. Step 5: Solve for x
    x = 7,922,367,987.35/91,388.15
  6. Step 6: Final answer
    x = 86,689.23

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