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Finding the Fourth Proportional to 93,478.72, 140,218.08 and 49,692.48

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Solution

The fourth proportional to 93,478.72, 140,218.08 and 49,692.48 is: 74,538.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,478.72 : 140,218.08 = 49,692.48 : x
  2. Step 2: Convert to fraction form
    93,478.72/140,218.08 = 49,692.48/x
  3. Step 3: Cross multiply
    93,478.72x = 140,218.08 × 49,692.48
  4. Step 4: Simplify right side
    93,478.72x = 6,967,784,136.04
  5. Step 5: Solve for x
    x = 6,967,784,136.04/93,478.72
  6. Step 6: Final answer
    x = 74,538.72

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