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Finding the Fourth Proportional to 255,879.33, 352,999.34 and 148,387.12

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Solution

The fourth proportional to 255,879.33, 352,999.34 and 148,387.12 is: 204,708.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,879.33 : 352,999.34 = 148,387.12 : x
  2. Step 2: Convert to fraction form
    255,879.33/352,999.34 = 148,387.12/x
  3. Step 3: Cross multiply
    255,879.33x = 352,999.34 × 148,387.12
  4. Step 4: Simplify right side
    255,879.33x = 52,380,553,800.07
  5. Step 5: Solve for x
    x = 52,380,553,800.07/255,879.33
  6. Step 6: Final answer
    x = 204,708.03

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1.5x scale

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.