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Finding the Fourth Proportional to 246,212.78, 369,063.10 and 103,939.32

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Solution

The fourth proportional to 246,212.78, 369,063.10 and 103,939.32 is: 155,800.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,212.78 : 369,063.10 = 103,939.32 : x
  2. Step 2: Convert to fraction form
    246,212.78/369,063.10 = 103,939.32/x
  3. Step 3: Cross multiply
    246,212.78x = 369,063.10 × 103,939.32
  4. Step 4: Simplify right side
    246,212.78x = 38,360,167,089.02
  5. Step 5: Solve for x
    x = 38,360,167,089.02/246,212.78
  6. Step 6: Final answer
    x = 155,800.88

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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.