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Finding the Fourth Proportional to 162,791.45, 224,664.09 and 98,276.56

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Solution

The fourth proportional to 162,791.45, 224,664.09 and 98,276.56 is: 135,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,791.45 : 224,664.09 = 98,276.56 : x
  2. Step 2: Convert to fraction form
    162,791.45/224,664.09 = 98,276.56/x
  3. Step 3: Cross multiply
    162,791.45x = 224,664.09 × 98,276.56
  4. Step 4: Simplify right side
    162,791.45x = 22,079,213,920.73
  5. Step 5: Solve for x
    x = 22,079,213,920.73/162,791.45
  6. Step 6: Final answer
    x = 135,628.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.