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Finding the Fourth Proportional to 78,562.47, 108,416.01 and 42,752.47

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Solution

The fourth proportional to 78,562.47, 108,416.01 and 42,752.47 is: 58,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,562.47 : 108,416.01 = 42,752.47 : x
  2. Step 2: Convert to fraction form
    78,562.47/108,416.01 = 42,752.47/x
  3. Step 3: Cross multiply
    78,562.47x = 108,416.01 × 42,752.47
  4. Step 4: Simplify right side
    78,562.47x = 4,635,052,215.04
  5. Step 5: Solve for x
    x = 4,635,052,215.04/78,562.47
  6. Step 6: Final answer
    x = 58,998.30

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