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Finding the Fourth Proportional to 148,344.60, 223,035.30 and 145,234.20

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Solution

The fourth proportional to 148,344.60, 223,035.30 and 145,234.20 is: 218,358.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,344.60 : 223,035.30 = 145,234.20 : x
  2. Step 2: Convert to fraction form
    148,344.60/223,035.30 = 145,234.20/x
  3. Step 3: Cross multiply
    148,344.60x = 223,035.30 × 145,234.20
  4. Step 4: Simplify right side
    148,344.60x = 32,392,353,367.26
  5. Step 5: Solve for x
    x = 32,392,353,367.26/148,344.60
  6. Step 6: Final answer
    x = 218,358.83

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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.