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Finding the Fourth Proportional to 169,074.62, 253,650.82 and 50,748.20

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Solution

The fourth proportional to 169,074.62, 253,650.82 and 50,748.20 is: 76,133.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,074.62 : 253,650.82 = 50,748.20 : x
  2. Step 2: Convert to fraction form
    169,074.62/253,650.82 = 50,748.20/x
  3. Step 3: Cross multiply
    169,074.62x = 253,650.82 × 50,748.20
  4. Step 4: Simplify right side
    169,074.62x = 12,872,323,478.80
  5. Step 5: Solve for x
    x = 12,872,323,478.80/169,074.62
  6. Step 6: Final answer
    x = 76,133.98

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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.