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Finding the Fourth Proportional to 171,510.82, 257,293.50 and 53,157.67

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Solution

The fourth proportional to 171,510.82, 257,293.50 and 53,157.67 is: 79,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,510.82 : 257,293.50 = 53,157.67 : x
  2. Step 2: Convert to fraction form
    171,510.82/257,293.50 = 53,157.67/x
  3. Step 3: Cross multiply
    171,510.82x = 257,293.50 × 53,157.67
  4. Step 4: Simplify right side
    171,510.82x = 13,677,122,123.57
  5. Step 5: Solve for x
    x = 13,677,122,123.57/171,510.82
  6. Step 6: Final answer
    x = 79,744.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.