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Finding the Fourth Proportional to 250,987.53, 376,442.27 and 82,506.73

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Solution

The fourth proportional to 250,987.53, 376,442.27 and 82,506.73 is: 123,747.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,987.53 : 376,442.27 = 82,506.73 : x
  2. Step 2: Convert to fraction form
    250,987.53/376,442.27 = 82,506.73/x
  3. Step 3: Cross multiply
    250,987.53x = 376,442.27 × 82,506.73
  4. Step 4: Simplify right side
    250,987.53x = 31,059,021,730.60
  5. Step 5: Solve for x
    x = 31,059,021,730.60/250,987.53
  6. Step 6: Final answer
    x = 123,747.27

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1.5x scale

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.