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Finding the Fourth Proportional to 276,985.60, 415,522.86 and 117,063.12

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Solution

The fourth proportional to 276,985.60, 415,522.86 and 117,063.12 is: 175,613.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,985.60 : 415,522.86 = 117,063.12 : x
  2. Step 2: Convert to fraction form
    276,985.60/415,522.86 = 117,063.12/x
  3. Step 3: Cross multiply
    276,985.60x = 415,522.86 × 117,063.12
  4. Step 4: Simplify right side
    276,985.60x = 48,642,404,200.63
  5. Step 5: Solve for x
    x = 48,642,404,200.63/276,985.60
  6. Step 6: Final answer
    x = 175,613.48

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