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Finding the Fourth Proportional to 251,489.00, 347,057.13 and 136,768.73

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Solution

The fourth proportional to 251,489.00, 347,057.13 and 136,768.73 is: 188,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,489.00 : 347,057.13 = 136,768.73 : x
  2. Step 2: Convert to fraction form
    251,489.00/347,057.13 = 136,768.73/x
  3. Step 3: Cross multiply
    251,489.00x = 347,057.13 × 136,768.73
  4. Step 4: Simplify right side
    251,489.00x = 47,466,561,172.26
  5. Step 5: Solve for x
    x = 47,466,561,172.26/251,489.00
  6. Step 6: Final answer
    x = 188,742.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.