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Finding the Fourth Proportional to 251,250.40, 376,875.60 and 110,936.80

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Solution

The fourth proportional to 251,250.40, 376,875.60 and 110,936.80 is: 166,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,250.40 : 376,875.60 = 110,936.80 : x
  2. Step 2: Convert to fraction form
    251,250.40/376,875.60 = 110,936.80/x
  3. Step 3: Cross multiply
    251,250.40x = 376,875.60 × 110,936.80
  4. Step 4: Simplify right side
    251,250.40x = 41,809,373,062.08
  5. Step 5: Solve for x
    x = 41,809,373,062.08/251,250.40
  6. Step 6: Final answer
    x = 166,405.20

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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.