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Finding the Fourth Proportional to 169,442.41, 254,165.44 and 51,114.77

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Solution

The fourth proportional to 169,442.41, 254,165.44 and 51,114.77 is: 76,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,442.41 : 254,165.44 = 51,114.77 : x
  2. Step 2: Convert to fraction form
    169,442.41/254,165.44 = 51,114.77/x
  3. Step 3: Cross multiply
    169,442.41x = 254,165.44 × 51,114.77
  4. Step 4: Simplify right side
    169,442.41x = 12,991,608,515.18
  5. Step 5: Solve for x
    x = 12,991,608,515.18/169,442.41
  6. Step 6: Final answer
    x = 76,672.71

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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.