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Finding the Fourth Proportional to 71,417.92, 98,555.04 and 41,608

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Solution

The fourth proportional to 71,417.92, 98,555.04 and 41,608 is: 57,418.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,417.92 : 98,555.04 = 41,608 : x
  2. Step 2: Convert to fraction form
    71,417.92/98,555.04 = 41,608/x
  3. Step 3: Cross multiply
    71,417.92x = 98,555.04 × 41,608
  4. Step 4: Simplify right side
    71,417.92x = 4,100,678,104.32
  5. Step 5: Solve for x
    x = 4,100,678,104.32/71,417.92
  6. Step 6: Final answer
    x = 57,418.06

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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.