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Finding the Fourth Proportional to 223,586.53, 308,553.39 and 121,614.22

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Solution

The fourth proportional to 223,586.53, 308,553.39 and 121,614.22 is: 167,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,586.53 : 308,553.39 = 121,614.22 : x
  2. Step 2: Convert to fraction form
    223,586.53/308,553.39 = 121,614.22/x
  3. Step 3: Cross multiply
    223,586.53x = 308,553.39 × 121,614.22
  4. Step 4: Simplify right side
    223,586.53x = 37,524,479,853.21
  5. Step 5: Solve for x
    x = 37,524,479,853.21/223,586.53
  6. Step 6: Final answer
    x = 167,829.79

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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.