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Finding the Fourth Proportional to 159,393.96, 219,964.30 and 95,732.84

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Solution

The fourth proportional to 159,393.96, 219,964.30 and 95,732.84 is: 132,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,393.96 : 219,964.30 = 95,732.84 : x
  2. Step 2: Convert to fraction form
    159,393.96/219,964.30 = 95,732.84/x
  3. Step 3: Cross multiply
    159,393.96x = 219,964.30 × 95,732.84
  4. Step 4: Simplify right side
    159,393.96x = 21,057,807,137.61
  5. Step 5: Solve for x
    x = 21,057,807,137.61/159,393.96
  6. Step 6: Final answer
    x = 132,111.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.