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Finding the Fourth Proportional to 250,056.60, 345,086.34 and 136,879.32

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Solution

The fourth proportional to 250,056.60, 345,086.34 and 136,879.32 is: 188,897.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,056.60 : 345,086.34 = 136,879.32 : x
  2. Step 2: Convert to fraction form
    250,056.60/345,086.34 = 136,879.32/x
  3. Step 3: Cross multiply
    250,056.60x = 345,086.34 × 136,879.32
  4. Step 4: Simplify right side
    250,056.60x = 47,235,183,560.49
  5. Step 5: Solve for x
    x = 47,235,183,560.49/250,056.60
  6. Step 6: Final answer
    x = 188,897.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.