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Finding the Fourth Proportional to 164,819.70, 247,229.55 and 161,903.70

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Solution

The fourth proportional to 164,819.70, 247,229.55 and 161,903.70 is: 242,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,819.70 : 247,229.55 = 161,903.70 : x
  2. Step 2: Convert to fraction form
    164,819.70/247,229.55 = 161,903.70/x
  3. Step 3: Cross multiply
    164,819.70x = 247,229.55 × 161,903.70
  4. Step 4: Simplify right side
    164,819.70x = 40,027,378,894.34
  5. Step 5: Solve for x
    x = 40,027,378,894.34/164,819.70
  6. Step 6: Final answer
    x = 242,855.55

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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.