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Finding the Fourth Proportional to 148,487.92, 222,769.68 and 48,654.88

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Solution

The fourth proportional to 148,487.92, 222,769.68 and 48,654.88 is: 72,994.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,487.92 : 222,769.68 = 48,654.88 : x
  2. Step 2: Convert to fraction form
    148,487.92/222,769.68 = 48,654.88/x
  3. Step 3: Cross multiply
    148,487.92x = 222,769.68 × 48,654.88
  4. Step 4: Simplify right side
    148,487.92x = 10,838,832,048.04
  5. Step 5: Solve for x
    x = 10,838,832,048.04/148,487.92
  6. Step 6: Final answer
    x = 72,994.71

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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.