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Finding the Fourth Proportional to 153,704.24, 212,111.70 and 85,727.24

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Solution

The fourth proportional to 153,704.24, 212,111.70 and 85,727.24 is: 118,303.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,704.24 : 212,111.70 = 85,727.24 : x
  2. Step 2: Convert to fraction form
    153,704.24/212,111.70 = 85,727.24/x
  3. Step 3: Cross multiply
    153,704.24x = 212,111.70 × 85,727.24
  4. Step 4: Simplify right side
    153,704.24x = 18,183,750,612.71
  5. Step 5: Solve for x
    x = 18,183,750,612.71/153,704.24
  6. Step 6: Final answer
    x = 118,303.51

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