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Finding the Fourth Proportional to 103,734.60, 155,472.30 and 76,000.20

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Solution

The fourth proportional to 103,734.60, 155,472.30 and 76,000.20 is: 113,905.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,734.60 : 155,472.30 = 76,000.20 : x
  2. Step 2: Convert to fraction form
    103,734.60/155,472.30 = 76,000.20/x
  3. Step 3: Cross multiply
    103,734.60x = 155,472.30 × 76,000.20
  4. Step 4: Simplify right side
    103,734.60x = 11,815,925,894.46
  5. Step 5: Solve for x
    x = 11,815,925,894.46/103,734.60
  6. Step 6: Final answer
    x = 113,905.35

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