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Finding the Fourth Proportional to 107,350.80, 161,026.20 and 60,694.80

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Solution

The fourth proportional to 107,350.80, 161,026.20 and 60,694.80 is: 91,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,350.80 : 161,026.20 = 60,694.80 : x
  2. Step 2: Convert to fraction form
    107,350.80/161,026.20 = 60,694.80/x
  3. Step 3: Cross multiply
    107,350.80x = 161,026.20 × 60,694.80
  4. Step 4: Simplify right side
    107,350.80x = 9,773,453,003.76
  5. Step 5: Solve for x
    x = 9,773,453,003.76/107,350.80
  6. Step 6: Final answer
    x = 91,042.20

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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.