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Finding the Fourth Proportional to 105,287.45, 157,913.87 and 37,805.51

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Solution

The fourth proportional to 105,287.45, 157,913.87 and 37,805.51 is: 56,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,287.45 : 157,913.87 = 37,805.51 : x
  2. Step 2: Convert to fraction form
    105,287.45/157,913.87 = 37,805.51/x
  3. Step 3: Cross multiply
    105,287.45x = 157,913.87 × 37,805.51
  4. Step 4: Simplify right side
    105,287.45x = 5,970,014,391.42
  5. Step 5: Solve for x
    x = 5,970,014,391.42/105,287.45
  6. Step 6: Final answer
    x = 56,702.05

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