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Finding the Fourth Proportional to 82,748.40, 124,122.60 and 43,317.60

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Solution

The fourth proportional to 82,748.40, 124,122.60 and 43,317.60 is: 64,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,748.40 : 124,122.60 = 43,317.60 : x
  2. Step 2: Convert to fraction form
    82,748.40/124,122.60 = 43,317.60/x
  3. Step 3: Cross multiply
    82,748.40x = 124,122.60 × 43,317.60
  4. Step 4: Simplify right side
    82,748.40x = 5,376,693,137.76
  5. Step 5: Solve for x
    x = 5,376,693,137.76/82,748.40
  6. Step 6: Final answer
    x = 64,976.40

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