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Finding the Fourth Proportional to 237,062.73, 355,554.39 and 79,290.66

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Solution

The fourth proportional to 237,062.73, 355,554.39 and 79,290.66 is: 118,922.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,062.73 : 355,554.39 = 79,290.66 : x
  2. Step 2: Convert to fraction form
    237,062.73/355,554.39 = 79,290.66/x
  3. Step 3: Cross multiply
    237,062.73x = 355,554.39 × 79,290.66
  4. Step 4: Simplify right side
    237,062.73x = 28,192,142,249.00
  5. Step 5: Solve for x
    x = 28,192,142,249.00/237,062.73
  6. Step 6: Final answer
    x = 118,922.71

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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.