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Finding the Fourth Proportional to 58,432.40, 87,821.40 and 50,829.20

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Solution

The fourth proportional to 58,432.40, 87,821.40 and 50,829.20 is: 76,394.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,432.40 : 87,821.40 = 50,829.20 : x
  2. Step 2: Convert to fraction form
    58,432.40/87,821.40 = 50,829.20/x
  3. Step 3: Cross multiply
    58,432.40x = 87,821.40 × 50,829.20
  4. Step 4: Simplify right side
    58,432.40x = 4,463,891,504.88
  5. Step 5: Solve for x
    x = 4,463,891,504.88/58,432.40
  6. Step 6: Final answer
    x = 76,394.12

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