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Finding the Fourth Proportional to 255,605.10, 352,736.49 and 148,238.82

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Solution

The fourth proportional to 255,605.10, 352,736.49 and 148,238.82 is: 204,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,605.10 : 352,736.49 = 148,238.82 : x
  2. Step 2: Convert to fraction form
    255,605.10/352,736.49 = 148,238.82/x
  3. Step 3: Cross multiply
    255,605.10x = 352,736.49 × 148,238.82
  4. Step 4: Simplify right side
    255,605.10x = 52,289,241,048.54
  5. Step 5: Solve for x
    x = 52,289,241,048.54/255,605.10
  6. Step 6: Final answer
    x = 204,570.41

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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.