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Finding the Fourth Proportional to 169,952.99, 254,930.09 and 76,349.39

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Solution

The fourth proportional to 169,952.99, 254,930.09 and 76,349.39 is: 114,524.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,952.99 : 254,930.09 = 76,349.39 : x
  2. Step 2: Convert to fraction form
    169,952.99/254,930.09 = 76,349.39/x
  3. Step 3: Cross multiply
    169,952.99x = 254,930.09 × 76,349.39
  4. Step 4: Simplify right side
    169,952.99x = 19,463,755,207.75
  5. Step 5: Solve for x
    x = 19,463,755,207.75/169,952.99
  6. Step 6: Final answer
    x = 114,524.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.