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Finding the Fourth Proportional to 71,904.33, 99,254.03 and 43,609.41

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Solution

The fourth proportional to 71,904.33, 99,254.03 and 43,609.41 is: 60,196.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,904.33 : 99,254.03 = 43,609.41 : x
  2. Step 2: Convert to fraction form
    71,904.33/99,254.03 = 43,609.41/x
  3. Step 3: Cross multiply
    71,904.33x = 99,254.03 × 43,609.41
  4. Step 4: Simplify right side
    71,904.33x = 4,328,409,470.38
  5. Step 5: Solve for x
    x = 4,328,409,470.38/71,904.33
  6. Step 6: Final answer
    x = 60,196.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.