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Finding the Fourth Proportional to 246,648.69, 369,996.55 and 69,155.19

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Solution

The fourth proportional to 246,648.69, 369,996.55 and 69,155.19 is: 103,739.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,648.69 : 369,996.55 = 69,155.19 : x
  2. Step 2: Convert to fraction form
    246,648.69/369,996.55 = 69,155.19/x
  3. Step 3: Cross multiply
    246,648.69x = 369,996.55 × 69,155.19
  4. Step 4: Simplify right side
    246,648.69x = 25,587,181,714.59
  5. Step 5: Solve for x
    x = 25,587,181,714.59/246,648.69
  6. Step 6: Final answer
    x = 103,739.38

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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.