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Finding the Fourth Proportional to 75,268.32, 103,870.40 and 45,054.88

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Solution

The fourth proportional to 75,268.32, 103,870.40 and 45,054.88 is: 62,175.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,268.32 : 103,870.40 = 45,054.88 : x
  2. Step 2: Convert to fraction form
    75,268.32/103,870.40 = 45,054.88/x
  3. Step 3: Cross multiply
    75,268.32x = 103,870.40 × 45,054.88
  4. Step 4: Simplify right side
    75,268.32x = 4,679,868,407.55
  5. Step 5: Solve for x
    x = 4,679,868,407.55/75,268.32
  6. Step 6: Final answer
    x = 62,175.81

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