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Finding the Fourth Proportional to 98,424.90, 147,660.72 and 31,865.04

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Solution

The fourth proportional to 98,424.90, 147,660.72 and 31,865.04 is: 47,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,424.90 : 147,660.72 = 31,865.04 : x
  2. Step 2: Convert to fraction form
    98,424.90/147,660.72 = 31,865.04/x
  3. Step 3: Cross multiply
    98,424.90x = 147,660.72 × 31,865.04
  4. Step 4: Simplify right side
    98,424.90x = 4,705,214,749.23
  5. Step 5: Solve for x
    x = 4,705,214,749.23/98,424.90
  6. Step 6: Final answer
    x = 47,805.13

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