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Finding the Fourth Proportional to 246,957.20, 370,435.80 and 89,190.80

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Solution

The fourth proportional to 246,957.20, 370,435.80 and 89,190.80 is: 133,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,957.20 : 370,435.80 = 89,190.80 : x
  2. Step 2: Convert to fraction form
    246,957.20/370,435.80 = 89,190.80/x
  3. Step 3: Cross multiply
    246,957.20x = 370,435.80 × 89,190.80
  4. Step 4: Simplify right side
    246,957.20x = 33,039,465,350.64
  5. Step 5: Solve for x
    x = 33,039,465,350.64/246,957.20
  6. Step 6: Final answer
    x = 133,786.20

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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.