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Finding the Fourth Proportional to 159,311.97, 219,871.51 and 95,653.86

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Solution

The fourth proportional to 159,311.97, 219,871.51 and 95,653.86 is: 132,014.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,311.97 : 219,871.51 = 95,653.86 : x
  2. Step 2: Convert to fraction form
    159,311.97/219,871.51 = 95,653.86/x
  3. Step 3: Cross multiply
    159,311.97x = 219,871.51 × 95,653.86
  4. Step 4: Simplify right side
    159,311.97x = 21,031,558,635.53
  5. Step 5: Solve for x
    x = 21,031,558,635.53/159,311.97
  6. Step 6: Final answer
    x = 132,014.93

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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.