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Finding the Fourth Proportional to 82,664.80, 124,054.80 and 53,154.40

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Solution

The fourth proportional to 82,664.80, 124,054.80 and 53,154.40 is: 79,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,664.80 : 124,054.80 = 53,154.40 : x
  2. Step 2: Convert to fraction form
    82,664.80/124,054.80 = 53,154.40/x
  3. Step 3: Cross multiply
    82,664.80x = 124,054.80 × 53,154.40
  4. Step 4: Simplify right side
    82,664.80x = 6,594,058,461.12
  5. Step 5: Solve for x
    x = 6,594,058,461.12/82,664.80
  6. Step 6: Final answer
    x = 79,768.64

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