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Finding the Fourth Proportional to 251,184.80, 376,542.96 and 84,856.48

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Solution

The fourth proportional to 251,184.80, 376,542.96 and 84,856.48 is: 127,205.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,184.80 : 376,542.96 = 84,856.48 : x
  2. Step 2: Convert to fraction form
    251,184.80/376,542.96 = 84,856.48/x
  3. Step 3: Cross multiply
    251,184.80x = 376,542.96 × 84,856.48
  4. Step 4: Simplify right side
    251,184.80x = 31,952,110,154.38
  5. Step 5: Solve for x
    x = 31,952,110,154.38/251,184.80
  6. Step 6: Final answer
    x = 127,205.59

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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.