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Finding the Fourth Proportional to 244,130.64, 365,758.56 and 86,258.40

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Solution

The fourth proportional to 244,130.64, 365,758.56 and 86,258.40 is: 129,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,130.64 : 365,758.56 = 86,258.40 : x
  2. Step 2: Convert to fraction form
    244,130.64/365,758.56 = 86,258.40/x
  3. Step 3: Cross multiply
    244,130.64x = 365,758.56 × 86,258.40
  4. Step 4: Simplify right side
    244,130.64x = 31,549,748,171.90
  5. Step 5: Solve for x
    x = 31,549,748,171.90/244,130.64
  6. Step 6: Final answer
    x = 129,233.05

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