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Finding the Fourth Proportional to 148,523.60, 222,253.14 and 128,601.84

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Solution

The fourth proportional to 148,523.60, 222,253.14 and 128,601.84 is: 192,441.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,523.60 : 222,253.14 = 128,601.84 : x
  2. Step 2: Convert to fraction form
    148,523.60/222,253.14 = 128,601.84/x
  3. Step 3: Cross multiply
    148,523.60x = 222,253.14 × 128,601.84
  4. Step 4: Simplify right side
    148,523.60x = 28,582,162,749.78
  5. Step 5: Solve for x
    x = 28,582,162,749.78/148,523.60
  6. Step 6: Final answer
    x = 192,441.90

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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.