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Finding the Fourth Proportional to 159,719.33, 239,625.22 and 51,646.39

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Solution

The fourth proportional to 159,719.33, 239,625.22 and 51,646.39 is: 77,484.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,719.33 : 239,625.22 = 51,646.39 : x
  2. Step 2: Convert to fraction form
    159,719.33/239,625.22 = 51,646.39/x
  3. Step 3: Cross multiply
    159,719.33x = 239,625.22 × 51,646.39
  4. Step 4: Simplify right side
    159,719.33x = 12,375,778,173.56
  5. Step 5: Solve for x
    x = 12,375,778,173.56/159,719.33
  6. Step 6: Final answer
    x = 77,484.53

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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.