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Finding the Fourth Proportional to 455,816.16, 683,724.74 and 118,856.52

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Solution

The fourth proportional to 455,816.16, 683,724.74 and 118,856.52 is: 178,284.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,816.16 : 683,724.74 = 118,856.52 : x
  2. Step 2: Convert to fraction form
    455,816.16/683,724.74 = 118,856.52/x
  3. Step 3: Cross multiply
    455,816.16x = 683,724.74 × 118,856.52
  4. Step 4: Simplify right side
    455,816.16x = 81,265,142,640.02
  5. Step 5: Solve for x
    x = 81,265,142,640.02/455,816.16
  6. Step 6: Final answer
    x = 178,284.91

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