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Finding the Fourth Proportional to 169,246.80, 253,967.40 and 64,141.20

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Solution

The fourth proportional to 169,246.80, 253,967.40 and 64,141.20 is: 96,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,246.80 : 253,967.40 = 64,141.20 : x
  2. Step 2: Convert to fraction form
    169,246.80/253,967.40 = 64,141.20/x
  3. Step 3: Cross multiply
    169,246.80x = 253,967.40 × 64,141.20
  4. Step 4: Simplify right side
    169,246.80x = 16,289,773,796.88
  5. Step 5: Solve for x
    x = 16,289,773,796.88/169,246.80
  6. Step 6: Final answer
    x = 96,248.64

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