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Finding the Fourth Proportional to 229,999.50, 345,002.36 and 72,227.97

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Solution

The fourth proportional to 229,999.50, 345,002.36 and 72,227.97 is: 108,342.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,999.50 : 345,002.36 = 72,227.97 : x
  2. Step 2: Convert to fraction form
    229,999.50/345,002.36 = 72,227.97/x
  3. Step 3: Cross multiply
    229,999.50x = 345,002.36 × 72,227.97
  4. Step 4: Simplify right side
    229,999.50x = 24,918,819,746.87
  5. Step 5: Solve for x
    x = 24,918,819,746.87/229,999.50
  6. Step 6: Final answer
    x = 108,342.93

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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.