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Finding the Fourth Proportional to 94,717.61, 142,076.40 and 28,157.63

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Solution

The fourth proportional to 94,717.61, 142,076.40 and 28,157.63 is: 42,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,717.61 : 142,076.40 = 28,157.63 : x
  2. Step 2: Convert to fraction form
    94,717.61/142,076.40 = 28,157.63/x
  3. Step 3: Cross multiply
    94,717.61x = 142,076.40 × 28,157.63
  4. Step 4: Simplify right side
    94,717.61x = 4,000,533,992.55
  5. Step 5: Solve for x
    x = 4,000,533,992.55/94,717.61
  6. Step 6: Final answer
    x = 42,236.44

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