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Finding the Fourth Proportional to 151,354.70, 226,922.70 and 84,815.23

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Solution

The fourth proportional to 151,354.70, 226,922.70 and 84,815.23 is: 127,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,354.70 : 226,922.70 = 84,815.23 : x
  2. Step 2: Convert to fraction form
    151,354.70/226,922.70 = 84,815.23/x
  3. Step 3: Cross multiply
    151,354.70x = 226,922.70 × 84,815.23
  4. Step 4: Simplify right side
    151,354.70x = 19,246,500,992.72
  5. Step 5: Solve for x
    x = 19,246,500,992.72/151,354.70
  6. Step 6: Final answer
    x = 127,161.57

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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.