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Finding the Fourth Proportional to 308,368.62, 462,602.75 and 95,086.71

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Solution

The fourth proportional to 308,368.62, 462,602.75 and 95,086.71 is: 142,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,368.62 : 462,602.75 = 95,086.71 : x
  2. Step 2: Convert to fraction form
    308,368.62/462,602.75 = 95,086.71/x
  3. Step 3: Cross multiply
    308,368.62x = 462,602.75 × 95,086.71
  4. Step 4: Simplify right side
    308,368.62x = 43,987,373,059.02
  5. Step 5: Solve for x
    x = 43,987,373,059.02/308,368.62
  6. Step 6: Final answer
    x = 142,645.43

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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.