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Finding the Fourth Proportional to 76,363.35, 105,381.18 and 42,376.97

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Solution

The fourth proportional to 76,363.35, 105,381.18 and 42,376.97 is: 58,480.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,363.35 : 105,381.18 = 42,376.97 : x
  2. Step 2: Convert to fraction form
    76,363.35/105,381.18 = 42,376.97/x
  3. Step 3: Cross multiply
    76,363.35x = 105,381.18 × 42,376.97
  4. Step 4: Simplify right side
    76,363.35x = 4,465,734,576.52
  5. Step 5: Solve for x
    x = 4,465,734,576.52/76,363.35
  6. Step 6: Final answer
    x = 58,480.08

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