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Finding the Fourth Proportional to 255,685.92, 352,768.37 and 148,234.51

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Solution

The fourth proportional to 255,685.92, 352,768.37 and 148,234.51 is: 204,518.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,685.92 : 352,768.37 = 148,234.51 : x
  2. Step 2: Convert to fraction form
    255,685.92/352,768.37 = 148,234.51/x
  3. Step 3: Cross multiply
    255,685.92x = 352,768.37 × 148,234.51
  4. Step 4: Simplify right side
    255,685.92x = 52,292,446,470.45
  5. Step 5: Solve for x
    x = 52,292,446,470.45/255,685.92
  6. Step 6: Final answer
    x = 204,518.29

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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.