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Finding the Fourth Proportional to 78,411, 117,563.04 and 25,812.84

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Solution

The fourth proportional to 78,411, 117,563.04 and 25,812.84 is: 38,701.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,411 : 117,563.04 = 25,812.84 : x
  2. Step 2: Convert to fraction form
    78,411/117,563.04 = 25,812.84/x
  3. Step 3: Cross multiply
    78,411x = 117,563.04 × 25,812.84
  4. Step 4: Simplify right side
    78,411x = 3,034,635,941.43
  5. Step 5: Solve for x
    x = 3,034,635,941.43/78,411
  6. Step 6: Final answer
    x = 38,701.66

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