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Finding the Fourth Proportional to 246,496.72, 369,745.06 and 80,284.72

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Solution

The fourth proportional to 246,496.72, 369,745.06 and 80,284.72 is: 120,427.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,496.72 : 369,745.06 = 80,284.72 : x
  2. Step 2: Convert to fraction form
    246,496.72/369,745.06 = 80,284.72/x
  3. Step 3: Cross multiply
    246,496.72x = 369,745.06 × 80,284.72
  4. Step 4: Simplify right side
    246,496.72x = 29,684,878,613.48
  5. Step 5: Solve for x
    x = 29,684,878,613.48/246,496.72
  6. Step 6: Final answer
    x = 120,427.07

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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.