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Finding the Fourth Proportional to 223,351.97, 308,297.54 and 142,995.92

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Solution

The fourth proportional to 223,351.97, 308,297.54 and 142,995.92 is: 197,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,351.97 : 308,297.54 = 142,995.92 : x
  2. Step 2: Convert to fraction form
    223,351.97/308,297.54 = 142,995.92/x
  3. Step 3: Cross multiply
    223,351.97x = 308,297.54 × 142,995.92
  4. Step 4: Simplify right side
    223,351.97x = 44,085,289,182.04
  5. Step 5: Solve for x
    x = 44,085,289,182.04/223,351.97
  6. Step 6: Final answer
    x = 197,380.35

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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.