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Finding the Fourth Proportional to 282,489.60, 423,388.80 and 124,550.40

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Solution

The fourth proportional to 282,489.60, 423,388.80 and 124,550.40 is: 186,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,489.60 : 423,388.80 = 124,550.40 : x
  2. Step 2: Convert to fraction form
    282,489.60/423,388.80 = 124,550.40/x
  3. Step 3: Cross multiply
    282,489.60x = 423,388.80 × 124,550.40
  4. Step 4: Simplify right side
    282,489.60x = 52,733,244,395.52
  5. Step 5: Solve for x
    x = 52,733,244,395.52/282,489.60
  6. Step 6: Final answer
    x = 186,673.22

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