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Finding the Fourth Proportional to 218,758.88, 301,736.40 and 167,903.84

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Solution

The fourth proportional to 218,758.88, 301,736.40 and 167,903.84 is: 231,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,758.88 : 301,736.40 = 167,903.84 : x
  2. Step 2: Convert to fraction form
    218,758.88/301,736.40 = 167,903.84/x
  3. Step 3: Cross multiply
    218,758.88x = 301,736.40 × 167,903.84
  4. Step 4: Simplify right side
    218,758.88x = 50,662,700,227.78
  5. Step 5: Solve for x
    x = 50,662,700,227.78/218,758.88
  6. Step 6: Final answer
    x = 231,591.51

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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.