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Finding the Fourth Proportional to 151,705.32, 209,351.88 and 83,722.92

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Solution

The fourth proportional to 151,705.32, 209,351.88 and 83,722.92 is: 115,536.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,705.32 : 209,351.88 = 83,722.92 : x
  2. Step 2: Convert to fraction form
    151,705.32/209,351.88 = 83,722.92/x
  3. Step 3: Cross multiply
    151,705.32x = 209,351.88 × 83,722.92
  4. Step 4: Simplify right side
    151,705.32x = 17,527,550,701.09
  5. Step 5: Solve for x
    x = 17,527,550,701.09/151,705.32
  6. Step 6: Final answer
    x = 115,536.82

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