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Finding the Fourth Proportional to 175,129.60, 262,713.87 and 75,299.89

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Solution

The fourth proportional to 175,129.60, 262,713.87 and 75,299.89 is: 112,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,129.60 : 262,713.87 = 75,299.89 : x
  2. Step 2: Convert to fraction form
    175,129.60/262,713.87 = 75,299.89/x
  3. Step 3: Cross multiply
    175,129.60x = 262,713.87 × 75,299.89
  4. Step 4: Simplify right side
    175,129.60x = 19,782,325,512.47
  5. Step 5: Solve for x
    x = 19,782,325,512.47/175,129.60
  6. Step 6: Final answer
    x = 112,958.21

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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.