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Finding the Fourth Proportional to 169,824.80, 254,694.96 and 69,957.92

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Solution

The fourth proportional to 169,824.80, 254,694.96 and 69,957.92 is: 104,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,824.80 : 254,694.96 = 69,957.92 : x
  2. Step 2: Convert to fraction form
    169,824.80/254,694.96 = 69,957.92/x
  3. Step 3: Cross multiply
    169,824.80x = 254,694.96 × 69,957.92
  4. Step 4: Simplify right side
    169,824.80x = 17,817,929,636.08
  5. Step 5: Solve for x
    x = 17,817,929,636.08/169,824.80
  6. Step 6: Final answer
    x = 104,919.48

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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.