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Finding the Fourth Proportional to 255,480.92, 352,537.25 and 157,348.52

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Solution

The fourth proportional to 255,480.92, 352,537.25 and 157,348.52 is: 217,124.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,480.92 : 352,537.25 = 157,348.52 : x
  2. Step 2: Convert to fraction form
    255,480.92/352,537.25 = 157,348.52/x
  3. Step 3: Cross multiply
    255,480.92x = 352,537.25 × 157,348.52
  4. Step 4: Simplify right side
    255,480.92x = 55,471,211,982.94
  5. Step 5: Solve for x
    x = 55,471,211,982.94/255,480.92
  6. Step 6: Final answer
    x = 217,124.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.