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Finding the Fourth Proportional to 104,637.90, 144,406.20 and 56,890.23

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Solution

The fourth proportional to 104,637.90, 144,406.20 and 56,890.23 is: 78,511.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,637.90 : 144,406.20 = 56,890.23 : x
  2. Step 2: Convert to fraction form
    104,637.90/144,406.20 = 56,890.23/x
  3. Step 3: Cross multiply
    104,637.90x = 144,406.20 × 56,890.23
  4. Step 4: Simplify right side
    104,637.90x = 8,215,301,931.43
  5. Step 5: Solve for x
    x = 8,215,301,931.43/104,637.90
  6. Step 6: Final answer
    x = 78,511.72

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