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Finding the Fourth Proportional to 104,609.76, 156,988.74 and 45,462.72

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Solution

The fourth proportional to 104,609.76, 156,988.74 and 45,462.72 is: 68,226.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,609.76 : 156,988.74 = 45,462.72 : x
  2. Step 2: Convert to fraction form
    104,609.76/156,988.74 = 45,462.72/x
  3. Step 3: Cross multiply
    104,609.76x = 156,988.74 × 45,462.72
  4. Step 4: Simplify right side
    104,609.76x = 7,137,135,129.77
  5. Step 5: Solve for x
    x = 7,137,135,129.77/104,609.76
  6. Step 6: Final answer
    x = 68,226.28

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