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Finding the Fourth Proportional to 58,700.22, 87,898.86 and 38,916.78

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Solution

The fourth proportional to 58,700.22, 87,898.86 and 38,916.78 is: 58,274.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,700.22 : 87,898.86 = 38,916.78 : x
  2. Step 2: Convert to fraction form
    58,700.22/87,898.86 = 38,916.78/x
  3. Step 3: Cross multiply
    58,700.22x = 87,898.86 × 38,916.78
  4. Step 4: Simplify right side
    58,700.22x = 3,420,740,596.87
  5. Step 5: Solve for x
    x = 3,420,740,596.87/58,700.22
  6. Step 6: Final answer
    x = 58,274.75

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