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Finding the Fourth Proportional to 159,800.12, 239,637.89 and 59,905.82

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Solution

The fourth proportional to 159,800.12, 239,637.89 and 59,905.82 is: 89,835.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,800.12 : 239,637.89 = 59,905.82 : x
  2. Step 2: Convert to fraction form
    159,800.12/239,637.89 = 59,905.82/x
  3. Step 3: Cross multiply
    159,800.12x = 239,637.89 × 59,905.82
  4. Step 4: Simplify right side
    159,800.12x = 14,355,703,105.33
  5. Step 5: Solve for x
    x = 14,355,703,105.33/159,800.12
  6. Step 6: Final answer
    x = 89,835.37

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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.