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Finding the Fourth Proportional to 171,766.07, 257,528.39 and 75,657.67

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Solution

The fourth proportional to 171,766.07, 257,528.39 and 75,657.67 is: 113,433.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,766.07 : 257,528.39 = 75,657.67 : x
  2. Step 2: Convert to fraction form
    171,766.07/257,528.39 = 75,657.67/x
  3. Step 3: Cross multiply
    171,766.07x = 257,528.39 × 75,657.67
  4. Step 4: Simplify right side
    171,766.07x = 19,483,998,372.74
  5. Step 5: Solve for x
    x = 19,483,998,372.74/171,766.07
  6. Step 6: Final answer
    x = 113,433.34

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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.