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Finding the Fourth Proportional to 251,202.47, 376,862.84 and 82,736.24

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Solution

The fourth proportional to 251,202.47, 376,862.84 and 82,736.24 is: 124,123.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,202.47 : 376,862.84 = 82,736.24 : x
  2. Step 2: Convert to fraction form
    251,202.47/376,862.84 = 82,736.24/x
  3. Step 3: Cross multiply
    251,202.47x = 376,862.84 × 82,736.24
  4. Step 4: Simplify right side
    251,202.47x = 31,180,213,963.64
  5. Step 5: Solve for x
    x = 31,180,213,963.64/251,202.47
  6. Step 6: Final answer
    x = 124,123.84

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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.