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Finding the Fourth Proportional to 219,745.08, 303,254.16 and 124,266

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Solution

The fourth proportional to 219,745.08, 303,254.16 and 124,266 is: 171,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,745.08 : 303,254.16 = 124,266 : x
  2. Step 2: Convert to fraction form
    219,745.08/303,254.16 = 124,266/x
  3. Step 3: Cross multiply
    219,745.08x = 303,254.16 × 124,266
  4. Step 4: Simplify right side
    219,745.08x = 37,684,181,446.56
  5. Step 5: Solve for x
    x = 37,684,181,446.56/219,745.08
  6. Step 6: Final answer
    x = 171,490.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.