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Finding the Fourth Proportional to 93,396.33, 139,971.06 and 34,174.98

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Solution

The fourth proportional to 93,396.33, 139,971.06 and 34,174.98 is: 51,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,396.33 : 139,971.06 = 34,174.98 : x
  2. Step 2: Convert to fraction form
    93,396.33/139,971.06 = 34,174.98/x
  3. Step 3: Cross multiply
    93,396.33x = 139,971.06 × 34,174.98
  4. Step 4: Simplify right side
    93,396.33x = 4,783,508,176.08
  5. Step 5: Solve for x
    x = 4,783,508,176.08/93,396.33
  6. Step 6: Final answer
    x = 51,217.30

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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.