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Finding the Fourth Proportional to 96,978.60, 145,470.33 and 26,858.52

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Solution

The fourth proportional to 96,978.60, 145,470.33 and 26,858.52 is: 40,288.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,978.60 : 145,470.33 = 26,858.52 : x
  2. Step 2: Convert to fraction form
    96,978.60/145,470.33 = 26,858.52/x
  3. Step 3: Cross multiply
    96,978.60x = 145,470.33 × 26,858.52
  4. Step 4: Simplify right side
    96,978.60x = 3,907,117,767.71
  5. Step 5: Solve for x
    x = 3,907,117,767.71/96,978.60
  6. Step 6: Final answer
    x = 40,288.45

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