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Finding the Fourth Proportional to 110,010.20, 164,982.90 and 43,428.20

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Solution

The fourth proportional to 110,010.20, 164,982.90 and 43,428.20 is: 65,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,010.20 : 164,982.90 = 43,428.20 : x
  2. Step 2: Convert to fraction form
    110,010.20/164,982.90 = 43,428.20/x
  3. Step 3: Cross multiply
    110,010.20x = 164,982.90 × 43,428.20
  4. Step 4: Simplify right side
    110,010.20x = 7,164,910,377.78
  5. Step 5: Solve for x
    x = 7,164,910,377.78/110,010.20
  6. Step 6: Final answer
    x = 65,129.51

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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.