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Finding the Fourth Proportional to 251,012.80, 376,266.48 and 110,746.72

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Solution

The fourth proportional to 251,012.80, 376,266.48 and 110,746.72 is: 166,008.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,012.80 : 376,266.48 = 110,746.72 : x
  2. Step 2: Convert to fraction form
    251,012.80/376,266.48 = 110,746.72/x
  3. Step 3: Cross multiply
    251,012.80x = 376,266.48 × 110,746.72
  4. Step 4: Simplify right side
    251,012.80x = 41,670,278,505.95
  5. Step 5: Solve for x
    x = 41,670,278,505.95/251,012.80
  6. Step 6: Final answer
    x = 166,008.58

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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.