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Finding the Fourth Proportional to 86,322.30, 129,501.93 and 48,900.06

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Solution

The fourth proportional to 86,322.30, 129,501.93 and 48,900.06 is: 73,360.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,322.30 : 129,501.93 = 48,900.06 : x
  2. Step 2: Convert to fraction form
    86,322.30/129,501.93 = 48,900.06/x
  3. Step 3: Cross multiply
    86,322.30x = 129,501.93 × 48,900.06
  4. Step 4: Simplify right side
    86,322.30x = 6,332,652,147.12
  5. Step 5: Solve for x
    x = 6,332,652,147.12/86,322.30
  6. Step 6: Final answer
    x = 73,360.56

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