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Finding the Fourth Proportional to 308,562.65, 462,753.26 and 131,068.25

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Solution

The fourth proportional to 308,562.65, 462,753.26 and 131,068.25 is: 196,563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,562.65 : 462,753.26 = 131,068.25 : x
  2. Step 2: Convert to fraction form
    308,562.65/462,753.26 = 131,068.25/x
  3. Step 3: Cross multiply
    308,562.65x = 462,753.26 × 131,068.25
  4. Step 4: Simplify right side
    308,562.65x = 60,652,259,314.65
  5. Step 5: Solve for x
    x = 60,652,259,314.65/308,562.65
  6. Step 6: Final answer
    x = 196,563.84

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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.