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Finding the Fourth Proportional to 101,992.05, 152,832.17 and 42,795.42

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Solution

The fourth proportional to 101,992.05, 152,832.17 and 42,795.42 is: 64,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,992.05 : 152,832.17 = 42,795.42 : x
  2. Step 2: Convert to fraction form
    101,992.05/152,832.17 = 42,795.42/x
  3. Step 3: Cross multiply
    101,992.05x = 152,832.17 × 42,795.42
  4. Step 4: Simplify right side
    101,992.05x = 6,540,516,690.68
  5. Step 5: Solve for x
    x = 6,540,516,690.68/101,992.05
  6. Step 6: Final answer
    x = 64,127.71

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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.