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Finding the Fourth Proportional to 159,169.76, 238,680.83 and 92,628.92

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Solution

The fourth proportional to 159,169.76, 238,680.83 and 92,628.92 is: 138,900.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,169.76 : 238,680.83 = 92,628.92 : x
  2. Step 2: Convert to fraction form
    159,169.76/238,680.83 = 92,628.92/x
  3. Step 3: Cross multiply
    159,169.76x = 238,680.83 × 92,628.92
  4. Step 4: Simplify right side
    159,169.76x = 22,108,746,472.26
  5. Step 5: Solve for x
    x = 22,108,746,472.26/159,169.76
  6. Step 6: Final answer
    x = 138,900.42

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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.