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Finding the Fourth Proportional to 164,605.52, 246,998.16 and 69,821.04

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Solution

The fourth proportional to 164,605.52, 246,998.16 and 69,821.04 is: 104,769.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,605.52 : 246,998.16 = 69,821.04 : x
  2. Step 2: Convert to fraction form
    164,605.52/246,998.16 = 69,821.04/x
  3. Step 3: Cross multiply
    164,605.52x = 246,998.16 × 69,821.04
  4. Step 4: Simplify right side
    164,605.52x = 17,245,668,409.29
  5. Step 5: Solve for x
    x = 17,245,668,409.29/164,605.52
  6. Step 6: Final answer
    x = 104,769.68

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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.