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Finding the Fourth Proportional to 255,752.54, 352,957.75 and 148,321.61

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Solution

The fourth proportional to 255,752.54, 352,957.75 and 148,321.61 is: 204,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,752.54 : 352,957.75 = 148,321.61 : x
  2. Step 2: Convert to fraction form
    255,752.54/352,957.75 = 148,321.61/x
  3. Step 3: Cross multiply
    255,752.54x = 352,957.75 × 148,321.61
  4. Step 4: Simplify right side
    255,752.54x = 52,351,259,606.38
  5. Step 5: Solve for x
    x = 52,351,259,606.38/255,752.54
  6. Step 6: Final answer
    x = 204,694.98

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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.