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Finding the Fourth Proportional to 171,023.52, 256,590.64 and 82,265.48

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Solution

The fourth proportional to 171,023.52, 256,590.64 and 82,265.48 is: 123,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,023.52 : 256,590.64 = 82,265.48 : x
  2. Step 2: Convert to fraction form
    171,023.52/256,590.64 = 82,265.48/x
  3. Step 3: Cross multiply
    171,023.52x = 256,590.64 × 82,265.48
  4. Step 4: Simplify right side
    171,023.52x = 21,108,552,163.11
  5. Step 5: Solve for x
    x = 21,108,552,163.11/171,023.52
  6. Step 6: Final answer
    x = 123,424.85

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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.