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Finding the Fourth Proportional to 78,925.21, 108,915.42 and 43,114.30

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Solution

The fourth proportional to 78,925.21, 108,915.42 and 43,114.30 is: 59,496.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,925.21 : 108,915.42 = 43,114.30 : x
  2. Step 2: Convert to fraction form
    78,925.21/108,915.42 = 43,114.30/x
  3. Step 3: Cross multiply
    78,925.21x = 108,915.42 × 43,114.30
  4. Step 4: Simplify right side
    78,925.21x = 4,695,812,364.79
  5. Step 5: Solve for x
    x = 4,695,812,364.79/78,925.21
  6. Step 6: Final answer
    x = 59,496.99

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