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Finding the Fourth Proportional to 68,399.60, 102,426.60 and 44,898.80

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Solution

The fourth proportional to 68,399.60, 102,426.60 and 44,898.80 is: 67,234.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,399.60 : 102,426.60 = 44,898.80 : x
  2. Step 2: Convert to fraction form
    68,399.60/102,426.60 = 44,898.80/x
  3. Step 3: Cross multiply
    68,399.60x = 102,426.60 × 44,898.80
  4. Step 4: Simplify right side
    68,399.60x = 4,598,831,428.08
  5. Step 5: Solve for x
    x = 4,598,831,428.08/68,399.60
  6. Step 6: Final answer
    x = 67,234.77

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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.