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Finding the Fourth Proportional to 93,133.55, 139,734.12 and 57,553.40

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Solution

The fourth proportional to 93,133.55, 139,734.12 and 57,553.40 is: 86,350.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,133.55 : 139,734.12 = 57,553.40 : x
  2. Step 2: Convert to fraction form
    93,133.55/139,734.12 = 57,553.40/x
  3. Step 3: Cross multiply
    93,133.55x = 139,734.12 × 57,553.40
  4. Step 4: Simplify right side
    93,133.55x = 8,042,173,702.01
  5. Step 5: Solve for x
    x = 8,042,173,702.01/93,133.55
  6. Step 6: Final answer
    x = 86,350.98

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