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Finding the Fourth Proportional to 251,014.80, 376,813.80 and 151,287.60

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Solution

The fourth proportional to 251,014.80, 376,813.80 and 151,287.60 is: 227,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,014.80 : 376,813.80 = 151,287.60 : x
  2. Step 2: Convert to fraction form
    251,014.80/376,813.80 = 151,287.60/x
  3. Step 3: Cross multiply
    251,014.80x = 376,813.80 × 151,287.60
  4. Step 4: Simplify right side
    251,014.80x = 57,007,255,448.88
  5. Step 5: Solve for x
    x = 57,007,255,448.88/251,014.80
  6. Step 6: Final answer
    x = 227,107.15

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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.