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Finding the Fourth Proportional to 100,672.45, 151,008.68 and 29,595.08

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Solution

The fourth proportional to 100,672.45, 151,008.68 and 29,595.08 is: 44,392.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,672.45 : 151,008.68 = 29,595.08 : x
  2. Step 2: Convert to fraction form
    100,672.45/151,008.68 = 29,595.08/x
  3. Step 3: Cross multiply
    100,672.45x = 151,008.68 × 29,595.08
  4. Step 4: Simplify right side
    100,672.45x = 4,469,114,416.80
  5. Step 5: Solve for x
    x = 4,469,114,416.80/100,672.45
  6. Step 6: Final answer
    x = 44,392.63

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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.