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Finding the Fourth Proportional to 169,708.45, 254,617.98 and 80,950.42

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Solution

The fourth proportional to 169,708.45, 254,617.98 and 80,950.42 is: 121,452.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,708.45 : 254,617.98 = 80,950.42 : x
  2. Step 2: Convert to fraction form
    169,708.45/254,617.98 = 80,950.42/x
  3. Step 3: Cross multiply
    169,708.45x = 254,617.98 × 80,950.42
  4. Step 4: Simplify right side
    169,708.45x = 20,611,432,420.55
  5. Step 5: Solve for x
    x = 20,611,432,420.55/169,708.45
  6. Step 6: Final answer
    x = 121,452.01

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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.