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Finding the Fourth Proportional to 59,438.80, 89,028.60 and 52,872.40

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Solution

The fourth proportional to 59,438.80, 89,028.60 and 52,872.40 is: 79,193.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,438.80 : 89,028.60 = 52,872.40 : x
  2. Step 2: Convert to fraction form
    59,438.80/89,028.60 = 52,872.40/x
  3. Step 3: Cross multiply
    59,438.80x = 89,028.60 × 52,872.40
  4. Step 4: Simplify right side
    59,438.80x = 4,707,155,750.64
  5. Step 5: Solve for x
    x = 4,707,155,750.64/59,438.80
  6. Step 6: Final answer
    x = 79,193.32

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