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Finding the Fourth Proportional to 246,121.65, 369,236.65 and 75,344.72

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Solution

The fourth proportional to 246,121.65, 369,236.65 and 75,344.72 is: 113,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,121.65 : 369,236.65 = 75,344.72 : x
  2. Step 2: Convert to fraction form
    246,121.65/369,236.65 = 75,344.72/x
  3. Step 3: Cross multiply
    246,121.65x = 369,236.65 × 75,344.72
  4. Step 4: Simplify right side
    246,121.65x = 27,820,032,007.99
  5. Step 5: Solve for x
    x = 27,820,032,007.99/246,121.65
  6. Step 6: Final answer
    x = 113,033.66

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1.5x scale

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.