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Finding the Fourth Proportional to 308,079.45, 462,163.29 and 94,865.41

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Solution

The fourth proportional to 308,079.45, 462,163.29 and 94,865.41 is: 142,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,079.45 : 462,163.29 = 94,865.41 : x
  2. Step 2: Convert to fraction form
    308,079.45/462,163.29 = 94,865.41/x
  3. Step 3: Cross multiply
    308,079.45x = 462,163.29 × 94,865.41
  4. Step 4: Simplify right side
    308,079.45x = 43,843,310,214.76
  5. Step 5: Solve for x
    x = 43,843,310,214.76/308,079.45
  6. Step 6: Final answer
    x = 142,311.70

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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.