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Finding the Fourth Proportional to 265,829.62, 398,743.52 and 66,149.98

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Solution

The fourth proportional to 265,829.62, 398,743.52 and 66,149.98 is: 99,224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,829.62 : 398,743.52 = 66,149.98 : x
  2. Step 2: Convert to fraction form
    265,829.62/398,743.52 = 66,149.98/x
  3. Step 3: Cross multiply
    265,829.62x = 398,743.52 × 66,149.98
  4. Step 4: Simplify right side
    265,829.62x = 26,376,875,873.13
  5. Step 5: Solve for x
    x = 26,376,875,873.13/265,829.62
  6. Step 6: Final answer
    x = 99,224.74

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