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Finding the Fourth Proportional to 119,603.71, 165,221 and 113,305.15

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Solution

The fourth proportional to 119,603.71, 165,221 and 113,305.15 is: 156,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,603.71 : 165,221 = 113,305.15 : x
  2. Step 2: Convert to fraction form
    119,603.71/165,221 = 113,305.15/x
  3. Step 3: Cross multiply
    119,603.71x = 165,221 × 113,305.15
  4. Step 4: Simplify right side
    119,603.71x = 18,720,390,188.15
  5. Step 5: Solve for x
    x = 18,720,390,188.15/119,603.71
  6. Step 6: Final answer
    x = 156,520.15

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