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Finding the Fourth Proportional to 229,753.40, 344,630.22 and 71,994.20

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Solution

The fourth proportional to 229,753.40, 344,630.22 and 71,994.20 is: 107,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,753.40 : 344,630.22 = 71,994.20 : x
  2. Step 2: Convert to fraction form
    229,753.40/344,630.22 = 71,994.20/x
  3. Step 3: Cross multiply
    229,753.40x = 344,630.22 × 71,994.20
  4. Step 4: Simplify right side
    229,753.40x = 24,811,376,984.72
  5. Step 5: Solve for x
    x = 24,811,376,984.72/229,753.40
  6. Step 6: Final answer
    x = 107,991.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.