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Finding the Fourth Proportional to 246,121.68, 369,240.12 and 79,909.68

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Solution

The fourth proportional to 246,121.68, 369,240.12 and 79,909.68 is: 119,883.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,121.68 : 369,240.12 = 79,909.68 : x
  2. Step 2: Convert to fraction form
    246,121.68/369,240.12 = 79,909.68/x
  3. Step 3: Cross multiply
    246,121.68x = 369,240.12 × 79,909.68
  4. Step 4: Simplify right side
    246,121.68x = 29,505,859,832.36
  5. Step 5: Solve for x
    x = 29,505,859,832.36/246,121.68
  6. Step 6: Final answer
    x = 119,883.22

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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.