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Finding the Fourth Proportional to 203,622.48, 281,014.43 and 112,995.59

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Solution

The fourth proportional to 203,622.48, 281,014.43 and 112,995.59 is: 155,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,622.48 : 281,014.43 = 112,995.59 : x
  2. Step 2: Convert to fraction form
    203,622.48/281,014.43 = 112,995.59/x
  3. Step 3: Cross multiply
    203,622.48x = 281,014.43 × 112,995.59
  4. Step 4: Simplify right side
    203,622.48x = 31,753,389,346.31
  5. Step 5: Solve for x
    x = 31,753,389,346.31/203,622.48
  6. Step 6: Final answer
    x = 155,942.45

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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.