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Finding the Fourth Proportional to 193,770.51, 267,427.89 and 108,887.51

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Solution

The fourth proportional to 193,770.51, 267,427.89 and 108,887.51 is: 150,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,770.51 : 267,427.89 = 108,887.51 : x
  2. Step 2: Convert to fraction form
    193,770.51/267,427.89 = 108,887.51/x
  3. Step 3: Cross multiply
    193,770.51x = 267,427.89 × 108,887.51
  4. Step 4: Simplify right side
    193,770.51x = 29,119,555,709.51
  5. Step 5: Solve for x
    x = 29,119,555,709.51/193,770.51
  6. Step 6: Final answer
    x = 150,278.57

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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.