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Finding the Fourth Proportional to 203,475.84, 280,782.95 and 112,828.47

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Solution

The fourth proportional to 203,475.84, 280,782.95 and 112,828.47 is: 155,695.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,475.84 : 280,782.95 = 112,828.47 : x
  2. Step 2: Convert to fraction form
    203,475.84/280,782.95 = 112,828.47/x
  3. Step 3: Cross multiply
    203,475.84x = 280,782.95 × 112,828.47
  4. Step 4: Simplify right side
    203,475.84x = 31,680,310,650.59
  5. Step 5: Solve for x
    x = 31,680,310,650.59/203,475.84
  6. Step 6: Final answer
    x = 155,695.69

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