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Finding the Fourth Proportional to 58,521.36, 87,765.28 and 19,081.92

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Solution

The fourth proportional to 58,521.36, 87,765.28 and 19,081.92 is: 28,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,521.36 : 87,765.28 = 19,081.92 : x
  2. Step 2: Convert to fraction form
    58,521.36/87,765.28 = 19,081.92/x
  3. Step 3: Cross multiply
    58,521.36x = 87,765.28 × 19,081.92
  4. Step 4: Simplify right side
    58,521.36x = 1,674,730,051.74
  5. Step 5: Solve for x
    x = 1,674,730,051.74/58,521.36
  6. Step 6: Final answer
    x = 28,617.42

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