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Finding the Fourth Proportional to 246,527.49, 369,846.54 and 78,057.90

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Solution

The fourth proportional to 246,527.49, 369,846.54 and 78,057.90 is: 117,104.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,527.49 : 369,846.54 = 78,057.90 : x
  2. Step 2: Convert to fraction form
    246,527.49/369,846.54 = 78,057.90/x
  3. Step 3: Cross multiply
    246,527.49x = 369,846.54 × 78,057.90
  4. Step 4: Simplify right side
    246,527.49x = 28,869,444,234.67
  5. Step 5: Solve for x
    x = 28,869,444,234.67/246,527.49
  6. Step 6: Final answer
    x = 117,104.36

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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.