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Finding the Fourth Proportional to 169,481.92, 254,179.96 and 69,669.68

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Solution

The fourth proportional to 169,481.92, 254,179.96 and 69,669.68 is: 104,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,481.92 : 254,179.96 = 69,669.68 : x
  2. Step 2: Convert to fraction form
    169,481.92/254,179.96 = 69,669.68/x
  3. Step 3: Cross multiply
    169,481.92x = 254,179.96 × 69,669.68
  4. Step 4: Simplify right side
    169,481.92x = 17,708,636,475.61
  5. Step 5: Solve for x
    x = 17,708,636,475.61/169,481.92
  6. Step 6: Final answer
    x = 104,486.88

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1.5x scale

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.