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Finding the Fourth Proportional to 93,012.75, 139,519.13 and 22,892.06

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Solution

The fourth proportional to 93,012.75, 139,519.13 and 22,892.06 is: 34,338.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,012.75 : 139,519.13 = 22,892.06 : x
  2. Step 2: Convert to fraction form
    93,012.75/139,519.13 = 22,892.06/x
  3. Step 3: Cross multiply
    93,012.75x = 139,519.13 × 22,892.06
  4. Step 4: Simplify right side
    93,012.75x = 3,193,880,529.45
  5. Step 5: Solve for x
    x = 3,193,880,529.45/93,012.75
  6. Step 6: Final answer
    x = 34,338.09

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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.