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Finding the Fourth Proportional to 170,596.71, 255,370.19 and 111,304.71

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Solution

The fourth proportional to 170,596.71, 255,370.19 and 111,304.71 is: 166,614.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,596.71 : 255,370.19 = 111,304.71 : x
  2. Step 2: Convert to fraction form
    170,596.71/255,370.19 = 111,304.71/x
  3. Step 3: Cross multiply
    170,596.71x = 255,370.19 × 111,304.71
  4. Step 4: Simplify right side
    170,596.71x = 28,423,904,384.07
  5. Step 5: Solve for x
    x = 28,423,904,384.07/170,596.71
  6. Step 6: Final answer
    x = 166,614.61

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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.