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Finding the Fourth Proportional to 148,481.70, 222,722.55 and 69,749.70

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Solution

The fourth proportional to 148,481.70, 222,722.55 and 69,749.70 is: 104,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,481.70 : 222,722.55 = 69,749.70 : x
  2. Step 2: Convert to fraction form
    148,481.70/222,722.55 = 69,749.70/x
  3. Step 3: Cross multiply
    148,481.70x = 222,722.55 × 69,749.70
  4. Step 4: Simplify right side
    148,481.70x = 15,534,831,045.74
  5. Step 5: Solve for x
    x = 15,534,831,045.74/148,481.70
  6. Step 6: Final answer
    x = 104,624.55

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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.