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Finding the Fourth Proportional to 70,435.44, 105,653.16 and 23,688.36

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Solution

The fourth proportional to 70,435.44, 105,653.16 and 23,688.36 is: 35,532.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,435.44 : 105,653.16 = 23,688.36 : x
  2. Step 2: Convert to fraction form
    70,435.44/105,653.16 = 23,688.36/x
  3. Step 3: Cross multiply
    70,435.44x = 105,653.16 × 23,688.36
  4. Step 4: Simplify right side
    70,435.44x = 2,502,750,089.22
  5. Step 5: Solve for x
    x = 2,502,750,089.22/70,435.44
  6. Step 6: Final answer
    x = 35,532.54

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