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Finding the Fourth Proportional to 162,904.80, 244,162.80 and 68,134.80

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Solution

The fourth proportional to 162,904.80, 244,162.80 and 68,134.80 is: 102,120.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,904.80 : 244,162.80 = 68,134.80 : x
  2. Step 2: Convert to fraction form
    162,904.80/244,162.80 = 68,134.80/x
  3. Step 3: Cross multiply
    162,904.80x = 244,162.80 × 68,134.80
  4. Step 4: Simplify right side
    162,904.80x = 16,635,983,545.44
  5. Step 5: Solve for x
    x = 16,635,983,545.44/162,904.80
  6. Step 6: Final answer
    x = 102,120.89

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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.