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Finding the Fourth Proportional to 159,693.84, 239,562.60 and 54,484.56

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Solution

The fourth proportional to 159,693.84, 239,562.60 and 54,484.56 is: 81,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,693.84 : 239,562.60 = 54,484.56 : x
  2. Step 2: Convert to fraction form
    159,693.84/239,562.60 = 54,484.56/x
  3. Step 3: Cross multiply
    159,693.84x = 239,562.60 × 54,484.56
  4. Step 4: Simplify right side
    159,693.84x = 13,052,462,853.46
  5. Step 5: Solve for x
    x = 13,052,462,853.46/159,693.84
  6. Step 6: Final answer
    x = 81,734.29

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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.