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Finding the Fourth Proportional to 295,990, 443,911.14 and 116,111.96

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Solution

The fourth proportional to 295,990, 443,911.14 and 116,111.96 is: 174,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,990 : 443,911.14 = 116,111.96 : x
  2. Step 2: Convert to fraction form
    295,990/443,911.14 = 116,111.96/x
  3. Step 3: Cross multiply
    295,990x = 443,911.14 × 116,111.96
  4. Step 4: Simplify right side
    295,990x = 51,543,392,531.23
  5. Step 5: Solve for x
    x = 51,543,392,531.23/295,990
  6. Step 6: Final answer
    x = 174,138.97

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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.