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Finding the Fourth Proportional to 253,103.64, 349,272.18 and 145,600.44

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Solution

The fourth proportional to 253,103.64, 349,272.18 and 145,600.44 is: 200,922.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,103.64 : 349,272.18 = 145,600.44 : x
  2. Step 2: Convert to fraction form
    253,103.64/349,272.18 = 145,600.44/x
  3. Step 3: Cross multiply
    253,103.64x = 349,272.18 × 145,600.44
  4. Step 4: Simplify right side
    253,103.64x = 50,854,183,087.76
  5. Step 5: Solve for x
    x = 50,854,183,087.76/253,103.64
  6. Step 6: Final answer
    x = 200,922.37

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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.