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Finding the Fourth Proportional to 93,122.34, 139,680.45 and 29,942.34

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Solution

The fourth proportional to 93,122.34, 139,680.45 and 29,942.34 is: 44,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,122.34 : 139,680.45 = 29,942.34 : x
  2. Step 2: Convert to fraction form
    93,122.34/139,680.45 = 29,942.34/x
  3. Step 3: Cross multiply
    93,122.34x = 139,680.45 × 29,942.34
  4. Step 4: Simplify right side
    93,122.34x = 4,182,359,525.25
  5. Step 5: Solve for x
    x = 4,182,359,525.25/93,122.34
  6. Step 6: Final answer
    x = 44,912.53

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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.