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Finding the Fourth Proportional to 118,388.40, 177,582.12 and 56,102.64

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Solution

The fourth proportional to 118,388.40, 177,582.12 and 56,102.64 is: 84,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,388.40 : 177,582.12 = 56,102.64 : x
  2. Step 2: Convert to fraction form
    118,388.40/177,582.12 = 56,102.64/x
  3. Step 3: Cross multiply
    118,388.40x = 177,582.12 × 56,102.64
  4. Step 4: Simplify right side
    118,388.40x = 9,962,825,748.80
  5. Step 5: Solve for x
    x = 9,962,825,748.80/118,388.40
  6. Step 6: Final answer
    x = 84,153.73

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