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Finding the Fourth Proportional to 93,296.68, 139,986.27 and 48,912.82

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Solution

The fourth proportional to 93,296.68, 139,986.27 and 48,912.82 is: 73,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,296.68 : 139,986.27 = 48,912.82 : x
  2. Step 2: Convert to fraction form
    93,296.68/139,986.27 = 48,912.82/x
  3. Step 3: Cross multiply
    93,296.68x = 139,986.27 × 48,912.82
  4. Step 4: Simplify right side
    93,296.68x = 6,847,123,226.98
  5. Step 5: Solve for x
    x = 6,847,123,226.98/93,296.68
  6. Step 6: Final answer
    x = 73,390.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.