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Finding the Fourth Proportional to 229,808.88, 344,713.42 and 72,049.64

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Solution

The fourth proportional to 229,808.88, 344,713.42 and 72,049.64 is: 108,074.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,808.88 : 344,713.42 = 72,049.64 : x
  2. Step 2: Convert to fraction form
    229,808.88/344,713.42 = 72,049.64/x
  3. Step 3: Cross multiply
    229,808.88x = 344,713.42 × 72,049.64
  4. Step 4: Simplify right side
    229,808.88x = 24,836,476,090.60
  5. Step 5: Solve for x
    x = 24,836,476,090.60/229,808.88
  6. Step 6: Final answer
    x = 108,074.48

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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.