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Finding the Fourth Proportional to 229,808.94, 344,713.51 and 72,049.70

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Solution

The fourth proportional to 229,808.94, 344,713.51 and 72,049.70 is: 108,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,808.94 : 344,713.51 = 72,049.70 : x
  2. Step 2: Convert to fraction form
    229,808.94/344,713.51 = 72,049.70/x
  3. Step 3: Cross multiply
    229,808.94x = 344,713.51 × 72,049.70
  4. Step 4: Simplify right side
    229,808.94x = 24,836,503,347.94
  5. Step 5: Solve for x
    x = 24,836,503,347.94/229,808.94
  6. Step 6: Final answer
    x = 108,074.57

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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.