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Finding the Fourth Proportional to 73,653.12, 101,641.68 and 40,119.12

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Solution

The fourth proportional to 73,653.12, 101,641.68 and 40,119.12 is: 55,364.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,653.12 : 101,641.68 = 40,119.12 : x
  2. Step 2: Convert to fraction form
    73,653.12/101,641.68 = 40,119.12/x
  3. Step 3: Cross multiply
    73,653.12x = 101,641.68 × 40,119.12
  4. Step 4: Simplify right side
    73,653.12x = 4,077,774,756.92
  5. Step 5: Solve for x
    x = 4,077,774,756.92/73,653.12
  6. Step 6: Final answer
    x = 55,364.59

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