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Finding the Fourth Proportional to 70,953.41, 106,309.67 and 42,814.33

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Solution

The fourth proportional to 70,953.41, 106,309.67 and 42,814.33 is: 64,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,953.41 : 106,309.67 = 42,814.33 : x
  2. Step 2: Convert to fraction form
    70,953.41/106,309.67 = 42,814.33/x
  3. Step 3: Cross multiply
    70,953.41x = 106,309.67 × 42,814.33
  4. Step 4: Simplify right side
    70,953.41x = 4,551,577,293.57
  5. Step 5: Solve for x
    x = 4,551,577,293.57/70,953.41
  6. Step 6: Final answer
    x = 64,148.82

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