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Finding the Fourth Proportional to 151,856.90, 209,603.06 and 87,333.19

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Solution

The fourth proportional to 151,856.90, 209,603.06 and 87,333.19 is: 120,543.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,856.90 : 209,603.06 = 87,333.19 : x
  2. Step 2: Convert to fraction form
    151,856.90/209,603.06 = 87,333.19/x
  3. Step 3: Cross multiply
    151,856.90x = 209,603.06 × 87,333.19
  4. Step 4: Simplify right side
    151,856.90x = 18,305,303,863.56
  5. Step 5: Solve for x
    x = 18,305,303,863.56/151,856.90
  6. Step 6: Final answer
    x = 120,543.12

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