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Finding the Fourth Proportional to 159,442.88, 239,175.25 and 52,826.63

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Solution

The fourth proportional to 159,442.88, 239,175.25 and 52,826.63 is: 79,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,442.88 : 239,175.25 = 52,826.63 : x
  2. Step 2: Convert to fraction form
    159,442.88/239,175.25 = 52,826.63/x
  3. Step 3: Cross multiply
    159,442.88x = 239,175.25 × 52,826.63
  4. Step 4: Simplify right side
    159,442.88x = 12,634,821,108.96
  5. Step 5: Solve for x
    x = 12,634,821,108.96/159,442.88
  6. Step 6: Final answer
    x = 79,243.56

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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.