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Finding the Fourth Proportional to 165,511.28, 228,404.52 and 90,060.08

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Solution

The fourth proportional to 165,511.28, 228,404.52 and 90,060.08 is: 124,282.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,511.28 : 228,404.52 = 90,060.08 : x
  2. Step 2: Convert to fraction form
    165,511.28/228,404.52 = 90,060.08/x
  3. Step 3: Cross multiply
    165,511.28x = 228,404.52 × 90,060.08
  4. Step 4: Simplify right side
    165,511.28x = 20,570,129,343.56
  5. Step 5: Solve for x
    x = 20,570,129,343.56/165,511.28
  6. Step 6: Final answer
    x = 124,282.34

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