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Finding the Fourth Proportional to 192,351.80, 265,272.90 and 160,192.64

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Solution

The fourth proportional to 192,351.80, 265,272.90 and 160,192.64 is: 220,922.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,351.80 : 265,272.90 = 160,192.64 : x
  2. Step 2: Convert to fraction form
    192,351.80/265,272.90 = 160,192.64/x
  3. Step 3: Cross multiply
    192,351.80x = 265,272.90 × 160,192.64
  4. Step 4: Simplify right side
    192,351.80x = 42,494,766,171.46
  5. Step 5: Solve for x
    x = 42,494,766,171.46/192,351.80
  6. Step 6: Final answer
    x = 220,922.11

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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.