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Finding the Fourth Proportional to 83,871.18, 115,742.22 and 46,145.42

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Solution

The fourth proportional to 83,871.18, 115,742.22 and 46,145.42 is: 63,680.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,871.18 : 115,742.22 = 46,145.42 : x
  2. Step 2: Convert to fraction form
    83,871.18/115,742.22 = 46,145.42/x
  3. Step 3: Cross multiply
    83,871.18x = 115,742.22 × 46,145.42
  4. Step 4: Simplify right side
    83,871.18x = 5,340,973,353.63
  5. Step 5: Solve for x
    x = 5,340,973,353.63/83,871.18
  6. Step 6: Final answer
    x = 63,680.67

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