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Finding the Fourth Proportional to 162,908.70, 244,363.05 and 109,764.60

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Solution

The fourth proportional to 162,908.70, 244,363.05 and 109,764.60 is: 164,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,908.70 : 244,363.05 = 109,764.60 : x
  2. Step 2: Convert to fraction form
    162,908.70/244,363.05 = 109,764.60/x
  3. Step 3: Cross multiply
    162,908.70x = 244,363.05 × 109,764.60
  4. Step 4: Simplify right side
    162,908.70x = 26,822,412,438.03
  5. Step 5: Solve for x
    x = 26,822,412,438.03/162,908.70
  6. Step 6: Final answer
    x = 164,646.90

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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.