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Finding the Fourth Proportional to 229,914.22, 344,885.92 and 72,148.90

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Solution

The fourth proportional to 229,914.22, 344,885.92 and 72,148.90 is: 108,227.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,914.22 : 344,885.92 = 72,148.90 : x
  2. Step 2: Convert to fraction form
    229,914.22/344,885.92 = 72,148.90/x
  3. Step 3: Cross multiply
    229,914.22x = 344,885.92 × 72,148.90
  4. Step 4: Simplify right side
    229,914.22x = 24,883,139,753.49
  5. Step 5: Solve for x
    x = 24,883,139,753.49/229,914.22
  6. Step 6: Final answer
    x = 108,227.93

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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.