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Finding the Fourth Proportional to 58,403.91, 87,633.54 and 30,309.03

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Solution

The fourth proportional to 58,403.91, 87,633.54 and 30,309.03 is: 45,477.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,403.91 : 87,633.54 = 30,309.03 : x
  2. Step 2: Convert to fraction form
    58,403.91/87,633.54 = 30,309.03/x
  3. Step 3: Cross multiply
    58,403.91x = 87,633.54 × 30,309.03
  4. Step 4: Simplify right side
    58,403.91x = 2,656,087,592.87
  5. Step 5: Solve for x
    x = 2,656,087,592.87/58,403.91
  6. Step 6: Final answer
    x = 45,477.91

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