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Finding the Fourth Proportional to 246,999.20, 370,498.80 and 89,232.80

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Solution

The fourth proportional to 246,999.20, 370,498.80 and 89,232.80 is: 133,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,999.20 : 370,498.80 = 89,232.80 : x
  2. Step 2: Convert to fraction form
    246,999.20/370,498.80 = 89,232.80/x
  3. Step 3: Cross multiply
    246,999.20x = 370,498.80 × 89,232.80
  4. Step 4: Simplify right side
    246,999.20x = 33,060,645,320.64
  5. Step 5: Solve for x
    x = 33,060,645,320.64/246,999.20
  6. Step 6: Final answer
    x = 133,849.20

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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.