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Finding the Fourth Proportional to 162,806.80, 244,210.20 and 109,662.70

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Solution

The fourth proportional to 162,806.80, 244,210.20 and 109,662.70 is: 164,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,806.80 : 244,210.20 = 109,662.70 : x
  2. Step 2: Convert to fraction form
    162,806.80/244,210.20 = 109,662.70/x
  3. Step 3: Cross multiply
    162,806.80x = 244,210.20 × 109,662.70
  4. Step 4: Simplify right side
    162,806.80x = 26,780,749,899.54
  5. Step 5: Solve for x
    x = 26,780,749,899.54/162,806.80
  6. Step 6: Final answer
    x = 164,494.05

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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.