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Finding the Fourth Proportional to 93,163.53, 128,566.26 and 50,722.50

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Solution

The fourth proportional to 93,163.53, 128,566.26 and 50,722.50 is: 69,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,163.53 : 128,566.26 = 50,722.50 : x
  2. Step 2: Convert to fraction form
    93,163.53/128,566.26 = 50,722.50/x
  3. Step 3: Cross multiply
    93,163.53x = 128,566.26 × 50,722.50
  4. Step 4: Simplify right side
    93,163.53x = 6,521,202,122.85
  5. Step 5: Solve for x
    x = 6,521,202,122.85/93,163.53
  6. Step 6: Final answer
    x = 69,997.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.