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Finding the Fourth Proportional to 290,593.12, 435,775.92 and 113,076.64

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Solution

The fourth proportional to 290,593.12, 435,775.92 and 113,076.64 is: 169,570.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,593.12 : 435,775.92 = 113,076.64 : x
  2. Step 2: Convert to fraction form
    290,593.12/435,775.92 = 113,076.64/x
  3. Step 3: Cross multiply
    290,593.12x = 435,775.92 × 113,076.64
  4. Step 4: Simplify right side
    290,593.12x = 49,276,076,826.51
  5. Step 5: Solve for x
    x = 49,276,076,826.51/290,593.12
  6. Step 6: Final answer
    x = 169,570.69

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