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Finding the Fourth Proportional to 223,722.44, 308,737.01 and 123,120.44

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Solution

The fourth proportional to 223,722.44, 308,737.01 and 123,120.44 is: 169,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,722.44 : 308,737.01 = 123,120.44 : x
  2. Step 2: Convert to fraction form
    223,722.44/308,737.01 = 123,120.44/x
  3. Step 3: Cross multiply
    223,722.44x = 308,737.01 × 123,120.44
  4. Step 4: Simplify right side
    223,722.44x = 38,011,835,899.88
  5. Step 5: Solve for x
    x = 38,011,835,899.88/223,722.44
  6. Step 6: Final answer
    x = 169,906.23

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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.