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Finding the Fourth Proportional to 308,468.26, 462,530.46 and 95,175.61

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Solution

The fourth proportional to 308,468.26, 462,530.46 and 95,175.61 is: 142,710.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,468.26 : 462,530.46 = 95,175.61 : x
  2. Step 2: Convert to fraction form
    308,468.26/462,530.46 = 95,175.61/x
  3. Step 3: Cross multiply
    308,468.26x = 462,530.46 × 95,175.61
  4. Step 4: Simplify right side
    308,468.26x = 44,021,619,941.03
  5. Step 5: Solve for x
    x = 44,021,619,941.03/308,468.26
  6. Step 6: Final answer
    x = 142,710.37

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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.