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Finding the Fourth Proportional to 154,797.75, 232,235.64 and 43,989.75

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Solution

The fourth proportional to 154,797.75, 232,235.64 and 43,989.75 is: 65,995.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,797.75 : 232,235.64 = 43,989.75 : x
  2. Step 2: Convert to fraction form
    154,797.75/232,235.64 = 43,989.75/x
  3. Step 3: Cross multiply
    154,797.75x = 232,235.64 × 43,989.75
  4. Step 4: Simplify right side
    154,797.75x = 10,215,987,744.69
  5. Step 5: Solve for x
    x = 10,215,987,744.69/154,797.75
  6. Step 6: Final answer
    x = 65,995.71

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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.