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Finding the Fourth Proportional to 303,527.35, 418,869.09 and 167,562.42

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Solution

The fourth proportional to 303,527.35, 418,869.09 and 167,562.42 is: 231,236.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,527.35 : 418,869.09 = 167,562.42 : x
  2. Step 2: Convert to fraction form
    303,527.35/418,869.09 = 167,562.42/x
  3. Step 3: Cross multiply
    303,527.35x = 418,869.09 × 167,562.42
  4. Step 4: Simplify right side
    303,527.35x = 70,186,716,917.52
  5. Step 5: Solve for x
    x = 70,186,716,917.52/303,527.35
  6. Step 6: Final answer
    x = 231,236.88

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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.