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Finding the Fourth Proportional to 100,358.92, 150,542.70 and 95,581

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Solution

The fourth proportional to 100,358.92, 150,542.70 and 95,581 is: 143,375.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,358.92 : 150,542.70 = 95,581 : x
  2. Step 2: Convert to fraction form
    100,358.92/150,542.70 = 95,581/x
  3. Step 3: Cross multiply
    100,358.92x = 150,542.70 × 95,581
  4. Step 4: Simplify right side
    100,358.92x = 14,389,021,808.70
  5. Step 5: Solve for x
    x = 14,389,021,808.70/100,358.92
  6. Step 6: Final answer
    x = 143,375.61

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1.5x scale

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.