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Finding the Fourth Proportional to 308,134.36, 462,333.30 and 148,133.44

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Solution

The fourth proportional to 308,134.36, 462,333.30 and 148,133.44 is: 222,263.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,134.36 : 462,333.30 = 148,133.44 : x
  2. Step 2: Convert to fraction form
    308,134.36/462,333.30 = 148,133.44/x
  3. Step 3: Cross multiply
    308,134.36x = 462,333.30 × 148,133.44
  4. Step 4: Simplify right side
    308,134.36x = 68,487,022,155.55
  5. Step 5: Solve for x
    x = 68,487,022,155.55/308,134.36
  6. Step 6: Final answer
    x = 222,263.50

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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.