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Finding the Fourth Proportional to 100,323.70, 150,511.65 and 29,244.73

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Solution

The fourth proportional to 100,323.70, 150,511.65 and 29,244.73 is: 43,874.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,323.70 : 150,511.65 = 29,244.73 : x
  2. Step 2: Convert to fraction form
    100,323.70/150,511.65 = 29,244.73/x
  3. Step 3: Cross multiply
    100,323.70x = 150,511.65 × 29,244.73
  4. Step 4: Simplify right side
    100,323.70x = 4,401,672,566.10
  5. Step 5: Solve for x
    x = 4,401,672,566.10/100,323.70
  6. Step 6: Final answer
    x = 43,874.70

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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.