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Finding the Fourth Proportional to 170,275.52, 255,019.61 and 164,370.62

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Solution

The fourth proportional to 170,275.52, 255,019.61 and 164,370.62 is: 246,175.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,275.52 : 255,019.61 = 164,370.62 : x
  2. Step 2: Convert to fraction form
    170,275.52/255,019.61 = 164,370.62/x
  3. Step 3: Cross multiply
    170,275.52x = 255,019.61 × 164,370.62
  4. Step 4: Simplify right side
    170,275.52x = 41,917,732,456.33
  5. Step 5: Solve for x
    x = 41,917,732,456.33/170,275.52
  6. Step 6: Final answer
    x = 246,175.91

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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.