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Finding the Fourth Proportional to 148,489.70, 222,734.55 and 97,751.30

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Solution

The fourth proportional to 148,489.70, 222,734.55 and 97,751.30 is: 146,626.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,489.70 : 222,734.55 = 97,751.30 : x
  2. Step 2: Convert to fraction form
    148,489.70/222,734.55 = 97,751.30/x
  3. Step 3: Cross multiply
    148,489.70x = 222,734.55 × 97,751.30
  4. Step 4: Simplify right side
    148,489.70x = 21,772,591,817.42
  5. Step 5: Solve for x
    x = 21,772,591,817.42/148,489.70
  6. Step 6: Final answer
    x = 146,626.95

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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.