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Finding the Fourth Proportional to 75,466.40, 113,127.60 and 28,068.80

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Solution

The fourth proportional to 75,466.40, 113,127.60 and 28,068.80 is: 42,076.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,466.40 : 113,127.60 = 28,068.80 : x
  2. Step 2: Convert to fraction form
    75,466.40/113,127.60 = 28,068.80/x
  3. Step 3: Cross multiply
    75,466.40x = 113,127.60 × 28,068.80
  4. Step 4: Simplify right side
    75,466.40x = 3,175,355,978.88
  5. Step 5: Solve for x
    x = 3,175,355,978.88/75,466.40
  6. Step 6: Final answer
    x = 42,076.42

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