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Finding the Fourth Proportional to 98,680.50, 136,182.33 and 53,968.50

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Solution

The fourth proportional to 98,680.50, 136,182.33 and 53,968.50 is: 74,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,680.50 : 136,182.33 = 53,968.50 : x
  2. Step 2: Convert to fraction form
    98,680.50/136,182.33 = 53,968.50/x
  3. Step 3: Cross multiply
    98,680.50x = 136,182.33 × 53,968.50
  4. Step 4: Simplify right side
    98,680.50x = 7,349,556,076.61
  5. Step 5: Solve for x
    x = 7,349,556,076.61/98,680.50
  6. Step 6: Final answer
    x = 74,478.30

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