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Finding the Fourth Proportional to 290,758.79, 435,959.58 and 113,058.66

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Solution

The fourth proportional to 290,758.79, 435,959.58 and 113,058.66 is: 169,518.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,758.79 : 435,959.58 = 113,058.66 : x
  2. Step 2: Convert to fraction form
    290,758.79/435,959.58 = 113,058.66/x
  3. Step 3: Cross multiply
    290,758.79x = 435,959.58 × 113,058.66
  4. Step 4: Simplify right side
    290,758.79x = 49,289,005,928.96
  5. Step 5: Solve for x
    x = 49,289,005,928.96/290,758.79
  6. Step 6: Final answer
    x = 169,518.54

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