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Finding the Fourth Proportional to 93,220.88, 139,747.32 and 34,014.96

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Solution

The fourth proportional to 93,220.88, 139,747.32 and 34,014.96 is: 50,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,220.88 : 139,747.32 = 34,014.96 : x
  2. Step 2: Convert to fraction form
    93,220.88/139,747.32 = 34,014.96/x
  3. Step 3: Cross multiply
    93,220.88x = 139,747.32 × 34,014.96
  4. Step 4: Simplify right side
    93,220.88x = 4,753,499,499.91
  5. Step 5: Solve for x
    x = 4,753,499,499.91/93,220.88
  6. Step 6: Final answer
    x = 50,991.79

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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.