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Finding the Fourth Proportional to 295,951.15, 443,992.49 and 138,093.49

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Solution

The fourth proportional to 295,951.15, 443,992.49 and 138,093.49 is: 207,170.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,951.15 : 443,992.49 = 138,093.49 : x
  2. Step 2: Convert to fraction form
    295,951.15/443,992.49 = 138,093.49/x
  3. Step 3: Cross multiply
    295,951.15x = 443,992.49 × 138,093.49
  4. Step 4: Simplify right side
    295,951.15x = 61,312,472,860.26
  5. Step 5: Solve for x
    x = 61,312,472,860.26/295,951.15
  6. Step 6: Final answer
    x = 207,170.92

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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.