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Finding the Fourth Proportional to 251,180.80, 376,536.96 and 84,852.48

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Solution

The fourth proportional to 251,180.80, 376,536.96 and 84,852.48 is: 127,199.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,180.80 : 376,536.96 = 84,852.48 : x
  2. Step 2: Convert to fraction form
    251,180.80/376,536.96 = 84,852.48/x
  3. Step 3: Cross multiply
    251,180.80x = 376,536.96 × 84,852.48
  4. Step 4: Simplify right side
    251,180.80x = 31,950,094,867.66
  5. Step 5: Solve for x
    x = 31,950,094,867.66/251,180.80
  6. Step 6: Final answer
    x = 127,199.59

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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.