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Finding the Fourth Proportional to 71,898.71, 107,861.90 and 32,455.82

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Solution

The fourth proportional to 71,898.71, 107,861.90 and 32,455.82 is: 48,689.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,898.71 : 107,861.90 = 32,455.82 : x
  2. Step 2: Convert to fraction form
    71,898.71/107,861.90 = 32,455.82/x
  3. Step 3: Cross multiply
    71,898.71x = 107,861.90 × 32,455.82
  4. Step 4: Simplify right side
    71,898.71x = 3,500,746,518.63
  5. Step 5: Solve for x
    x = 3,500,746,518.63/71,898.71
  6. Step 6: Final answer
    x = 48,689.98

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