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Finding the Fourth Proportional to 169,486.20, 254,229.30 and 103,056.60

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Solution

The fourth proportional to 169,486.20, 254,229.30 and 103,056.60 is: 154,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,486.20 : 254,229.30 = 103,056.60 : x
  2. Step 2: Convert to fraction form
    169,486.20/254,229.30 = 103,056.60/x
  3. Step 3: Cross multiply
    169,486.20x = 254,229.30 × 103,056.60
  4. Step 4: Simplify right side
    169,486.20x = 26,200,007,278.38
  5. Step 5: Solve for x
    x = 26,200,007,278.38/169,486.20
  6. Step 6: Final answer
    x = 154,584.90

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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.