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Finding the Fourth Proportional to 169,481.80, 254,222.70 and 154,966.60

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Solution

The fourth proportional to 169,481.80, 254,222.70 and 154,966.60 is: 232,449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,481.80 : 254,222.70 = 154,966.60 : x
  2. Step 2: Convert to fraction form
    169,481.80/254,222.70 = 154,966.60/x
  3. Step 3: Cross multiply
    169,481.80x = 254,222.70 × 154,966.60
  4. Step 4: Simplify right side
    169,481.80x = 39,396,027,461.82
  5. Step 5: Solve for x
    x = 39,396,027,461.82/169,481.80
  6. Step 6: Final answer
    x = 232,449.90

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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.