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Finding the Fourth Proportional to 219,902.84, 303,602.33 and 168,817.86

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Solution

The fourth proportional to 219,902.84, 303,602.33 and 168,817.86 is: 233,073.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,902.84 : 303,602.33 = 168,817.86 : x
  2. Step 2: Convert to fraction form
    219,902.84/303,602.33 = 168,817.86/x
  3. Step 3: Cross multiply
    219,902.84x = 303,602.33 × 168,817.86
  4. Step 4: Simplify right side
    219,902.84x = 51,253,494,797.52
  5. Step 5: Solve for x
    x = 51,253,494,797.52/219,902.84
  6. Step 6: Final answer
    x = 233,073.37

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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.