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Finding the Fourth Proportional to 251,165.80, 376,514.46 and 84,837.48

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Solution

The fourth proportional to 251,165.80, 376,514.46 and 84,837.48 is: 127,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,165.80 : 376,514.46 = 84,837.48 : x
  2. Step 2: Convert to fraction form
    251,165.80/376,514.46 = 84,837.48/x
  3. Step 3: Cross multiply
    251,165.80x = 376,514.46 × 84,837.48
  4. Step 4: Simplify right side
    251,165.80x = 31,942,537,969.96
  5. Step 5: Solve for x
    x = 31,942,537,969.96/251,165.80
  6. Step 6: Final answer
    x = 127,177.10

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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.