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Finding the Fourth Proportional to 234,958.88, 324,242.84 and 127,528.78

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Solution

The fourth proportional to 234,958.88, 324,242.84 and 127,528.78 is: 175,989.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,958.88 : 324,242.84 = 127,528.78 : x
  2. Step 2: Convert to fraction form
    234,958.88/324,242.84 = 127,528.78/x
  3. Step 3: Cross multiply
    234,958.88x = 324,242.84 × 127,528.78
  4. Step 4: Simplify right side
    234,958.88x = 41,350,293,808.94
  5. Step 5: Solve for x
    x = 41,350,293,808.94/234,958.88
  6. Step 6: Final answer
    x = 175,989.49

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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.