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Finding the Fourth Proportional to 159,146.10, 219,626.21 and 87,530.72

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Solution

The fourth proportional to 159,146.10, 219,626.21 and 87,530.72 is: 120,794.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,146.10 : 219,626.21 = 87,530.72 : x
  2. Step 2: Convert to fraction form
    159,146.10/219,626.21 = 87,530.72/x
  3. Step 3: Cross multiply
    159,146.10x = 219,626.21 × 87,530.72
  4. Step 4: Simplify right side
    159,146.10x = 19,224,039,412.87
  5. Step 5: Solve for x
    x = 19,224,039,412.87/159,146.10
  6. Step 6: Final answer
    x = 120,794.91

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