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Finding the Fourth Proportional to 98,061.84, 147,062.52 and 51,289.20

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Solution

The fourth proportional to 98,061.84, 147,062.52 and 51,289.20 is: 76,917.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,061.84 : 147,062.52 = 51,289.20 : x
  2. Step 2: Convert to fraction form
    98,061.84/147,062.52 = 51,289.20/x
  3. Step 3: Cross multiply
    98,061.84x = 147,062.52 × 51,289.20
  4. Step 4: Simplify right side
    98,061.84x = 7,542,719,000.78
  5. Step 5: Solve for x
    x = 7,542,719,000.78/98,061.84
  6. Step 6: Final answer
    x = 76,917.98

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