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Finding the Fourth Proportional to 246,478.40, 369,716.40 and 96,612.80

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Solution

The fourth proportional to 246,478.40, 369,716.40 and 96,612.80 is: 144,918.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,478.40 : 369,716.40 = 96,612.80 : x
  2. Step 2: Convert to fraction form
    246,478.40/369,716.40 = 96,612.80/x
  3. Step 3: Cross multiply
    246,478.40x = 369,716.40 × 96,612.80
  4. Step 4: Simplify right side
    246,478.40x = 35,719,336,609.92
  5. Step 5: Solve for x
    x = 35,719,336,609.92/246,478.40
  6. Step 6: Final answer
    x = 144,918.73

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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.