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Finding the Fourth Proportional to 169,410.42, 254,137.70 and 51,093.72

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Solution

The fourth proportional to 169,410.42, 254,137.70 and 51,093.72 is: 76,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,410.42 : 254,137.70 = 51,093.72 : x
  2. Step 2: Convert to fraction form
    169,410.42/254,137.70 = 51,093.72/x
  3. Step 3: Cross multiply
    169,410.42x = 254,137.70 × 51,093.72
  4. Step 4: Simplify right side
    169,410.42x = 12,984,840,612.98
  5. Step 5: Solve for x
    x = 12,984,840,612.98/169,410.42
  6. Step 6: Final answer
    x = 76,647.24

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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.