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Finding the Fourth Proportional to 242,696.45, 364,208.69 and 84,926.27

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Solution

The fourth proportional to 242,696.45, 364,208.69 and 84,926.27 is: 127,446.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,696.45 : 364,208.69 = 84,926.27 : x
  2. Step 2: Convert to fraction form
    242,696.45/364,208.69 = 84,926.27/x
  3. Step 3: Cross multiply
    242,696.45x = 364,208.69 × 84,926.27
  4. Step 4: Simplify right side
    242,696.45x = 30,930,883,934.56
  5. Step 5: Solve for x
    x = 30,930,883,934.56/242,696.45
  6. Step 6: Final answer
    x = 127,446.79

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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.