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Finding the Fourth Proportional to 93,553.20, 140,329.80 and 56,228.40

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Solution

The fourth proportional to 93,553.20, 140,329.80 and 56,228.40 is: 84,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,553.20 : 140,329.80 = 56,228.40 : x
  2. Step 2: Convert to fraction form
    93,553.20/140,329.80 = 56,228.40/x
  3. Step 3: Cross multiply
    93,553.20x = 140,329.80 × 56,228.40
  4. Step 4: Simplify right side
    93,553.20x = 7,890,520,126.32
  5. Step 5: Solve for x
    x = 7,890,520,126.32/93,553.20
  6. Step 6: Final answer
    x = 84,342.60

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