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Finding the Fourth Proportional to 251,254.87, 376,801.27 and 82,735.12

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Solution

The fourth proportional to 251,254.87, 376,801.27 and 82,735.12 is: 124,076.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,254.87 : 376,801.27 = 82,735.12 : x
  2. Step 2: Convert to fraction form
    251,254.87/376,801.27 = 82,735.12/x
  3. Step 3: Cross multiply
    251,254.87x = 376,801.27 × 82,735.12
  4. Step 4: Simplify right side
    251,254.87x = 31,174,698,289.60
  5. Step 5: Solve for x
    x = 31,174,698,289.60/251,254.87
  6. Step 6: Final answer
    x = 124,076.00

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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.