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Finding the Fourth Proportional to 159,808.05, 239,741.28 and 124,057.89

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Solution

The fourth proportional to 159,808.05, 239,741.28 and 124,057.89 is: 186,109.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,808.05 : 239,741.28 = 124,057.89 : x
  2. Step 2: Convert to fraction form
    159,808.05/239,741.28 = 124,057.89/x
  3. Step 3: Cross multiply
    159,808.05x = 239,741.28 × 124,057.89
  4. Step 4: Simplify right side
    159,808.05x = 29,741,797,342.70
  5. Step 5: Solve for x
    x = 29,741,797,342.70/159,808.05
  6. Step 6: Final answer
    x = 186,109.51

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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.