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Finding the Fourth Proportional to 162,716.82, 224,391.42 and 126,893.76

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Solution

The fourth proportional to 162,716.82, 224,391.42 and 126,893.76 is: 174,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,716.82 : 224,391.42 = 126,893.76 : x
  2. Step 2: Convert to fraction form
    162,716.82/224,391.42 = 126,893.76/x
  3. Step 3: Cross multiply
    162,716.82x = 224,391.42 × 126,893.76
  4. Step 4: Simplify right side
    162,716.82x = 28,473,870,995.54
  5. Step 5: Solve for x
    x = 28,473,870,995.54/162,716.82
  6. Step 6: Final answer
    x = 174,990.34

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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.