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Finding the Fourth Proportional to 175,353.80, 263,138.70 and 75,561.80

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Solution

The fourth proportional to 175,353.80, 263,138.70 and 75,561.80 is: 113,389.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,353.80 : 263,138.70 = 75,561.80 : x
  2. Step 2: Convert to fraction form
    175,353.80/263,138.70 = 75,561.80/x
  3. Step 3: Cross multiply
    175,353.80x = 263,138.70 × 75,561.80
  4. Step 4: Simplify right side
    175,353.80x = 19,883,233,821.66
  5. Step 5: Solve for x
    x = 19,883,233,821.66/175,353.80
  6. Step 6: Final answer
    x = 113,389.24

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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.