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Finding the Fourth Proportional to 91,631.72, 137,476.74 and 44,859.08

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Solution

The fourth proportional to 91,631.72, 137,476.74 and 44,859.08 is: 67,302.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,631.72 : 137,476.74 = 44,859.08 : x
  2. Step 2: Convert to fraction form
    91,631.72/137,476.74 = 44,859.08/x
  3. Step 3: Cross multiply
    91,631.72x = 137,476.74 × 44,859.08
  4. Step 4: Simplify right side
    91,631.72x = 6,167,080,077.80
  5. Step 5: Solve for x
    x = 6,167,080,077.80/91,631.72
  6. Step 6: Final answer
    x = 67,302.90

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