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Finding the Fourth Proportional to 222,951.49, 307,572.60 and 132,311.28

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Solution

The fourth proportional to 222,951.49, 307,572.60 and 132,311.28 is: 182,529.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,951.49 : 307,572.60 = 132,311.28 : x
  2. Step 2: Convert to fraction form
    222,951.49/307,572.60 = 132,311.28/x
  3. Step 3: Cross multiply
    222,951.49x = 307,572.60 × 132,311.28
  4. Step 4: Simplify right side
    222,951.49x = 40,695,322,861.07
  5. Step 5: Solve for x
    x = 40,695,322,861.07/222,951.49
  6. Step 6: Final answer
    x = 182,529.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.