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Finding the Fourth Proportional to 142,615.08, 196,801.00 and 78,071.83

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Solution

The fourth proportional to 142,615.08, 196,801.00 and 78,071.83 is: 107,734.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,615.08 : 196,801.00 = 78,071.83 : x
  2. Step 2: Convert to fraction form
    142,615.08/196,801.00 = 78,071.83/x
  3. Step 3: Cross multiply
    142,615.08x = 196,801.00 × 78,071.83
  4. Step 4: Simplify right side
    142,615.08x = 15,364,613,528.65
  5. Step 5: Solve for x
    x = 15,364,613,528.65/142,615.08
  6. Step 6: Final answer
    x = 107,734.84

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