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Finding the Fourth Proportional to 148,861.60, 223,227.60 and 48,983.20

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Solution

The fourth proportional to 148,861.60, 223,227.60 and 48,983.20 is: 73,453.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,861.60 : 223,227.60 = 48,983.20 : x
  2. Step 2: Convert to fraction form
    148,861.60/223,227.60 = 48,983.20/x
  3. Step 3: Cross multiply
    148,861.60x = 223,227.60 × 48,983.20
  4. Step 4: Simplify right side
    148,861.60x = 10,934,402,176.32
  5. Step 5: Solve for x
    x = 10,934,402,176.32/148,861.60
  6. Step 6: Final answer
    x = 73,453.48

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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.