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Finding the Fourth Proportional to 104,538.30, 144,264.42 and 56,792.58

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Solution

The fourth proportional to 104,538.30, 144,264.42 and 56,792.58 is: 78,374.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,538.30 : 144,264.42 = 56,792.58 : x
  2. Step 2: Convert to fraction form
    104,538.30/144,264.42 = 56,792.58/x
  3. Step 3: Cross multiply
    104,538.30x = 144,264.42 × 56,792.58
  4. Step 4: Simplify right side
    104,538.30x = 8,193,148,614.00
  5. Step 5: Solve for x
    x = 8,193,148,614.00/104,538.30
  6. Step 6: Final answer
    x = 78,374.61

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