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Finding the Fourth Proportional to 171,520.54, 257,231.60 and 119,262.17

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Solution

The fourth proportional to 171,520.54, 257,231.60 and 119,262.17 is: 178,859.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,520.54 : 257,231.60 = 119,262.17 : x
  2. Step 2: Convert to fraction form
    171,520.54/257,231.60 = 119,262.17/x
  3. Step 3: Cross multiply
    171,520.54x = 257,231.60 × 119,262.17
  4. Step 4: Simplify right side
    171,520.54x = 30,677,999,302.57
  5. Step 5: Solve for x
    x = 30,677,999,302.57/171,520.54
  6. Step 6: Final answer
    x = 178,859.04

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1.5x scale

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.