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Finding the Fourth Proportional to 255,666.33, 352,821.29 and 142,496.37

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Solution

The fourth proportional to 255,666.33, 352,821.29 and 142,496.37 is: 196,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,666.33 : 352,821.29 = 142,496.37 : x
  2. Step 2: Convert to fraction form
    255,666.33/352,821.29 = 142,496.37/x
  3. Step 3: Cross multiply
    255,666.33x = 352,821.29 × 142,496.37
  4. Step 4: Simplify right side
    255,666.33x = 50,275,752,371.24
  5. Step 5: Solve for x
    x = 50,275,752,371.24/255,666.33
  6. Step 6: Final answer
    x = 196,645.97

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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.