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Finding the Fourth Proportional to 170,519.73, 255,709.22 and 58,209

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Solution

The fourth proportional to 170,519.73, 255,709.22 and 58,209 is: 87,289.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,519.73 : 255,709.22 = 58,209 : x
  2. Step 2: Convert to fraction form
    170,519.73/255,709.22 = 58,209/x
  3. Step 3: Cross multiply
    170,519.73x = 255,709.22 × 58,209
  4. Step 4: Simplify right side
    170,519.73x = 14,884,577,695.94
  5. Step 5: Solve for x
    x = 14,884,577,695.94/170,519.73
  6. Step 6: Final answer
    x = 87,289.48

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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.