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Finding the Fourth Proportional to 105,842.28, 158,719.62 and 45,026.76

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Solution

The fourth proportional to 105,842.28, 158,719.62 and 45,026.76 is: 67,521.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,842.28 : 158,719.62 = 45,026.76 : x
  2. Step 2: Convert to fraction form
    105,842.28/158,719.62 = 45,026.76/x
  3. Step 3: Cross multiply
    105,842.28x = 158,719.62 × 45,026.76
  4. Step 4: Simplify right side
    105,842.28x = 7,146,630,237.03
  5. Step 5: Solve for x
    x = 7,146,630,237.03/105,842.28
  6. Step 6: Final answer
    x = 67,521.51

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