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Finding the Fourth Proportional to 162,425.35, 243,474.46 and 67,707.97

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Solution

The fourth proportional to 162,425.35, 243,474.46 and 67,707.97 is: 101,493.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,425.35 : 243,474.46 = 67,707.97 : x
  2. Step 2: Convert to fraction form
    162,425.35/243,474.46 = 67,707.97/x
  3. Step 3: Cross multiply
    162,425.35x = 243,474.46 × 67,707.97
  4. Step 4: Simplify right side
    162,425.35x = 16,485,161,433.45
  5. Step 5: Solve for x
    x = 16,485,161,433.45/162,425.35
  6. Step 6: Final answer
    x = 101,493.77

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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.