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Finding the Fourth Proportional to 223,463.52, 308,361.42 and 131,568.30

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Solution

The fourth proportional to 223,463.52, 308,361.42 and 131,568.30 is: 181,553.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,463.52 : 308,361.42 = 131,568.30 : x
  2. Step 2: Convert to fraction form
    223,463.52/308,361.42 = 131,568.30/x
  3. Step 3: Cross multiply
    223,463.52x = 308,361.42 × 131,568.30
  4. Step 4: Simplify right side
    223,463.52x = 40,570,587,814.99
  5. Step 5: Solve for x
    x = 40,570,587,814.99/223,463.52
  6. Step 6: Final answer
    x = 181,553.52

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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.