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Finding the Fourth Proportional to 242,680.94, 364,185.52 and 84,910.76

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Solution

The fourth proportional to 242,680.94, 364,185.52 and 84,910.76 is: 127,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,680.94 : 364,185.52 = 84,910.76 : x
  2. Step 2: Convert to fraction form
    242,680.94/364,185.52 = 84,910.76/x
  3. Step 3: Cross multiply
    242,680.94x = 364,185.52 × 84,910.76
  4. Step 4: Simplify right side
    242,680.94x = 30,923,269,284.20
  5. Step 5: Solve for x
    x = 30,923,269,284.20/242,680.94
  6. Step 6: Final answer
    x = 127,423.56

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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.