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Finding the Fourth Proportional to 105,987.20, 146,230.44 and 63,530.24

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Solution

The fourth proportional to 105,987.20, 146,230.44 and 63,530.24 is: 87,652.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,987.20 : 146,230.44 = 63,530.24 : x
  2. Step 2: Convert to fraction form
    105,987.20/146,230.44 = 63,530.24/x
  3. Step 3: Cross multiply
    105,987.20x = 146,230.44 × 63,530.24
  4. Step 4: Simplify right side
    105,987.20x = 9,290,054,948.51
  5. Step 5: Solve for x
    x = 9,290,054,948.51/105,987.20
  6. Step 6: Final answer
    x = 87,652.61

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