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Finding the Fourth Proportional to 156,913.20, 235,024.20 and 136,177.20

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Solution

The fourth proportional to 156,913.20, 235,024.20 and 136,177.20 is: 203,965.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,913.20 : 235,024.20 = 136,177.20 : x
  2. Step 2: Convert to fraction form
    156,913.20/235,024.20 = 136,177.20/x
  3. Step 3: Cross multiply
    156,913.20x = 235,024.20 × 136,177.20
  4. Step 4: Simplify right side
    156,913.20x = 32,004,937,488.24
  5. Step 5: Solve for x
    x = 32,004,937,488.24/156,913.20
  6. Step 6: Final answer
    x = 203,965.87

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