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Finding the Fourth Proportional to 338,846.09, 508,268.52 and 102,188.59

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Solution

The fourth proportional to 338,846.09, 508,268.52 and 102,188.59 is: 153,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,846.09 : 508,268.52 = 102,188.59 : x
  2. Step 2: Convert to fraction form
    338,846.09/508,268.52 = 102,188.59/x
  3. Step 3: Cross multiply
    338,846.09x = 508,268.52 × 102,188.59
  4. Step 4: Simplify right side
    338,846.09x = 51,939,242,129.52
  5. Step 5: Solve for x
    x = 51,939,242,129.52/338,846.09
  6. Step 6: Final answer
    x = 153,282.70

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