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Finding the Fourth Proportional to 58,176.33, 87,278.16 and 18,731.96

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Solution

The fourth proportional to 58,176.33, 87,278.16 and 18,731.96 is: 28,102.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,176.33 : 87,278.16 = 18,731.96 : x
  2. Step 2: Convert to fraction form
    58,176.33/87,278.16 = 18,731.96/x
  3. Step 3: Cross multiply
    58,176.33x = 87,278.16 × 18,731.96
  4. Step 4: Simplify right side
    58,176.33x = 1,634,890,857.77
  5. Step 5: Solve for x
    x = 1,634,890,857.77/58,176.33
  6. Step 6: Final answer
    x = 28,102.34

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