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Finding the Fourth Proportional to 106,971.68, 147,652.92 and 69,248.48

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Solution

The fourth proportional to 106,971.68, 147,652.92 and 69,248.48 is: 95,583.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,971.68 : 147,652.92 = 69,248.48 : x
  2. Step 2: Convert to fraction form
    106,971.68/147,652.92 = 69,248.48/x
  3. Step 3: Cross multiply
    106,971.68x = 147,652.92 × 69,248.48
  4. Step 4: Simplify right side
    106,971.68x = 10,224,740,277.56
  5. Step 5: Solve for x
    x = 10,224,740,277.56/106,971.68
  6. Step 6: Final answer
    x = 95,583.62

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