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Finding the Fourth Proportional to 169,446.39, 254,171.41 and 51,118.76

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Solution

The fourth proportional to 169,446.39, 254,171.41 and 51,118.76 is: 76,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,446.39 : 254,171.41 = 51,118.76 : x
  2. Step 2: Convert to fraction form
    169,446.39/254,171.41 = 51,118.76/x
  3. Step 3: Cross multiply
    169,446.39x = 254,171.41 × 51,118.76
  4. Step 4: Simplify right side
    169,446.39x = 12,992,926,035.79
  5. Step 5: Solve for x
    x = 12,992,926,035.79/169,446.39
  6. Step 6: Final answer
    x = 76,678.68

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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.