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Finding the Fourth Proportional to 222,955.21, 307,657.87 and 132,295.56

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Solution

The fourth proportional to 222,955.21, 307,657.87 and 132,295.56 is: 182,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,955.21 : 307,657.87 = 132,295.56 : x
  2. Step 2: Convert to fraction form
    222,955.21/307,657.87 = 132,295.56/x
  3. Step 3: Cross multiply
    222,955.21x = 307,657.87 × 132,295.56
  4. Step 4: Simplify right side
    222,955.21x = 40,701,770,200.06
  5. Step 5: Solve for x
    x = 40,701,770,200.06/222,955.21
  6. Step 6: Final answer
    x = 182,555.82

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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.