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Finding the Fourth Proportional to 246,412.76, 369,640.10 and 68,919.89

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Solution

The fourth proportional to 246,412.76, 369,640.10 and 68,919.89 is: 103,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,412.76 : 369,640.10 = 68,919.89 : x
  2. Step 2: Convert to fraction form
    246,412.76/369,640.10 = 68,919.89/x
  3. Step 3: Cross multiply
    246,412.76x = 369,640.10 × 68,919.89
  4. Step 4: Simplify right side
    246,412.76x = 25,475,555,031.59
  5. Step 5: Solve for x
    x = 25,475,555,031.59/246,412.76
  6. Step 6: Final answer
    x = 103,385.70

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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.