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Finding the Fourth Proportional to 79,478.68, 109,728.66 and 52,644.04

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Solution

The fourth proportional to 79,478.68, 109,728.66 and 52,644.04 is: 72,680.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,478.68 : 109,728.66 = 52,644.04 : x
  2. Step 2: Convert to fraction form
    79,478.68/109,728.66 = 52,644.04/x
  3. Step 3: Cross multiply
    79,478.68x = 109,728.66 × 52,644.04
  4. Step 4: Simplify right side
    79,478.68x = 5,776,559,966.19
  5. Step 5: Solve for x
    x = 5,776,559,966.19/79,478.68
  6. Step 6: Final answer
    x = 72,680.62

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