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Finding the Fourth Proportional to 93,138.38, 139,623.34 and 33,960.22

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Solution

The fourth proportional to 93,138.38, 139,623.34 and 33,960.22 is: 50,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,138.38 : 139,623.34 = 33,960.22 : x
  2. Step 2: Convert to fraction form
    93,138.38/139,623.34 = 33,960.22/x
  3. Step 3: Cross multiply
    93,138.38x = 139,623.34 × 33,960.22
  4. Step 4: Simplify right side
    93,138.38x = 4,741,639,343.53
  5. Step 5: Solve for x
    x = 4,741,639,343.53/93,138.38
  6. Step 6: Final answer
    x = 50,909.62

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1.5x scale

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.