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Finding the Fourth Proportional to 159,635.82, 239,292.02 and 103,511.54

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Solution

The fourth proportional to 159,635.82, 239,292.02 and 103,511.54 is: 155,162.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,635.82 : 239,292.02 = 103,511.54 : x
  2. Step 2: Convert to fraction form
    159,635.82/239,292.02 = 103,511.54/x
  3. Step 3: Cross multiply
    159,635.82x = 239,292.02 × 103,511.54
  4. Step 4: Simplify right side
    159,635.82x = 24,769,485,499.91
  5. Step 5: Solve for x
    x = 24,769,485,499.91/159,635.82
  6. Step 6: Final answer
    x = 155,162.45

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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.