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Finding the Fourth Proportional to 356,540.82, 535,021.46 and 132,058.94

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Solution

The fourth proportional to 356,540.82, 535,021.46 and 132,058.94 is: 198,166.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,540.82 : 535,021.46 = 132,058.94 : x
  2. Step 2: Convert to fraction form
    356,540.82/535,021.46 = 132,058.94/x
  3. Step 3: Cross multiply
    356,540.82x = 535,021.46 × 132,058.94
  4. Step 4: Simplify right side
    356,540.82x = 70,654,366,884.85
  5. Step 5: Solve for x
    x = 70,654,366,884.85/356,540.82
  6. Step 6: Final answer
    x = 198,166.28

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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.