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Finding the Fourth Proportional to 57,303.55, 85,955.35 and 19,863.63

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Solution

The fourth proportional to 57,303.55, 85,955.35 and 19,863.63 is: 29,795.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,303.55 : 85,955.35 = 19,863.63 : x
  2. Step 2: Convert to fraction form
    57,303.55/85,955.35 = 19,863.63/x
  3. Step 3: Cross multiply
    57,303.55x = 85,955.35 × 19,863.63
  4. Step 4: Simplify right side
    57,303.55x = 1,707,384,839.14
  5. Step 5: Solve for x
    x = 1,707,384,839.14/57,303.55
  6. Step 6: Final answer
    x = 29,795.45

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