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Finding the Fourth Proportional to 247,609.56, 371,561.92 and 89,850.32

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Solution

The fourth proportional to 247,609.56, 371,561.92 and 89,850.32 is: 134,829.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,609.56 : 371,561.92 = 89,850.32 : x
  2. Step 2: Convert to fraction form
    247,609.56/371,561.92 = 89,850.32/x
  3. Step 3: Cross multiply
    247,609.56x = 371,561.92 × 89,850.32
  4. Step 4: Simplify right side
    247,609.56x = 33,384,957,411.81
  5. Step 5: Solve for x
    x = 33,384,957,411.81/247,609.56
  6. Step 6: Final answer
    x = 134,829.03

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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.