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Finding the Fourth Proportional to 154,858.97, 232,131.63 and 104,944.16

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Solution

The fourth proportional to 154,858.97, 232,131.63 and 104,944.16 is: 157,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,858.97 : 232,131.63 = 104,944.16 : x
  2. Step 2: Convert to fraction form
    154,858.97/232,131.63 = 104,944.16/x
  3. Step 3: Cross multiply
    154,858.97x = 232,131.63 × 104,944.16
  4. Step 4: Simplify right side
    154,858.97x = 24,360,858,919.78
  5. Step 5: Solve for x
    x = 24,360,858,919.78/154,858.97
  6. Step 6: Final answer
    x = 157,309.96

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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.