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Finding the Fourth Proportional to 299,160.72, 448,609.50 and 112,041

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Solution

The fourth proportional to 299,160.72, 448,609.50 and 112,041 is: 168,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,160.72 : 448,609.50 = 112,041 : x
  2. Step 2: Convert to fraction form
    299,160.72/448,609.50 = 112,041/x
  3. Step 3: Cross multiply
    299,160.72x = 448,609.50 × 112,041
  4. Step 4: Simplify right side
    299,160.72x = 50,262,656,989.50
  5. Step 5: Solve for x
    x = 50,262,656,989.50/299,160.72
  6. Step 6: Final answer
    x = 168,012.22

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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.