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Finding the Fourth Proportional to 323,624.09, 485,435.71 and 86,966.77

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Solution

The fourth proportional to 323,624.09, 485,435.71 and 86,966.77 is: 130,450.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,624.09 : 485,435.71 = 86,966.77 : x
  2. Step 2: Convert to fraction form
    323,624.09/485,435.71 = 86,966.77/x
  3. Step 3: Cross multiply
    323,624.09x = 485,435.71 × 86,966.77
  4. Step 4: Simplify right side
    323,624.09x = 42,216,775,741.36
  5. Step 5: Solve for x
    x = 42,216,775,741.36/323,624.09
  6. Step 6: Final answer
    x = 130,450.04

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