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Finding the Fourth Proportional to 246,671.20, 369,780 and 88,861.06

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Solution

The fourth proportional to 246,671.20, 369,780 and 88,861.06 is: 133,209.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,671.20 : 369,780 = 88,861.06 : x
  2. Step 2: Convert to fraction form
    246,671.20/369,780 = 88,861.06/x
  3. Step 3: Cross multiply
    246,671.20x = 369,780 × 88,861.06
  4. Step 4: Simplify right side
    246,671.20x = 32,859,042,766.80
  5. Step 5: Solve for x
    x = 32,859,042,766.80/246,671.20
  6. Step 6: Final answer
    x = 133,209.89

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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.