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Finding the Fourth Proportional to 156,674.80, 234,964.68 and 44,346.16

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Solution

The fourth proportional to 156,674.80, 234,964.68 and 44,346.16 is: 66,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,674.80 : 234,964.68 = 44,346.16 : x
  2. Step 2: Convert to fraction form
    156,674.80/234,964.68 = 44,346.16/x
  3. Step 3: Cross multiply
    156,674.80x = 234,964.68 × 44,346.16
  4. Step 4: Simplify right side
    156,674.80x = 10,419,781,293.63
  5. Step 5: Solve for x
    x = 10,419,781,293.63/156,674.80
  6. Step 6: Final answer
    x = 66,505.79

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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.