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Finding the Fourth Proportional to 236,493.10, 354,630.30 and 103,304.80

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Solution

The fourth proportional to 236,493.10, 354,630.30 and 103,304.80 is: 154,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,493.10 : 354,630.30 = 103,304.80 : x
  2. Step 2: Convert to fraction form
    236,493.10/354,630.30 = 103,304.80/x
  3. Step 3: Cross multiply
    236,493.10x = 354,630.30 × 103,304.80
  4. Step 4: Simplify right side
    236,493.10x = 36,635,012,215.44
  5. Step 5: Solve for x
    x = 36,635,012,215.44/236,493.10
  6. Step 6: Final answer
    x = 154,909.43

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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.