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Finding the Fourth Proportional to 162,200.46, 242,974.46 and 80,902.38

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Solution

The fourth proportional to 162,200.46, 242,974.46 and 80,902.38 is: 121,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,200.46 : 242,974.46 = 80,902.38 : x
  2. Step 2: Convert to fraction form
    162,200.46/242,974.46 = 80,902.38/x
  3. Step 3: Cross multiply
    162,200.46x = 242,974.46 × 80,902.38
  4. Step 4: Simplify right side
    162,200.46x = 19,657,212,295.47
  5. Step 5: Solve for x
    x = 19,657,212,295.47/162,200.46
  6. Step 6: Final answer
    x = 121,190.85

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1.5x scale

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.