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Finding the Fourth Proportional to 104,271.51, 156,429.14 and 45,115.59

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Solution

The fourth proportional to 104,271.51, 156,429.14 and 45,115.59 is: 67,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,271.51 : 156,429.14 = 45,115.59 : x
  2. Step 2: Convert to fraction form
    104,271.51/156,429.14 = 45,115.59/x
  3. Step 3: Cross multiply
    104,271.51x = 156,429.14 × 45,115.59
  4. Step 4: Simplify right side
    104,271.51x = 7,057,392,944.29
  5. Step 5: Solve for x
    x = 7,057,392,944.29/104,271.51
  6. Step 6: Final answer
    x = 67,682.85

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